AtCoder 测验 - Problem Solution - lizikid

0

张艺北 LV 4 @ 2026-7-24 11:30:45

using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1,s2,s3; cin>>s1>>s2>>s3;
	if(s1!="ABC"&&s2!="ABC"&&s3!="ABC")
	{
		cout<<"ABC";	
	}
	if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
	{
		cout<<"ARC";	
	}
	if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
	{
		cout<<"AGC";	
	}
	if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
	{
		cout<<"AHC";	
	}    
}``````

0

方一帆2 LV 9 @ 2025-11-21 18:47:23

c++
#include<bits/stdc++.h>
using namespace std;
int main()
{
    string s1,s2,s3,s4;cin>>s1>>s2>>s3;
    if(s1!="ABC"&&s2!="ABC"&&s3!="ABC") 
    {
        cout<<"ABC";
    }
    else if(s1!="ARC"&&s2!="ARC"&&s3!="ARC")
    {
        cout<<"ARC";
    }
    else if(s1!="AHC"&&s2!="AHC"&&s3!="AHC")
    {
        cout<<"AHC";
    }
    else if(s1!="AGC"&&s2!="AGC"&&s3!="AGC")
    {
        cout<<"AGC";
    }
    return 0;
}

张艺北 @ 2026-7-24 11:22:13

cjfopim piqpei'[3op

ID: 2428
Time: 1000ms
Memory: 256MiB
Difficulty: 1
Tags: (None)
# Submissions: 22
Accepted: 14
Uploaded By: jike1994