#include <bits/stdc++.h>
using namespace std;
void change(int &x,int &y)
{
	int t=x;
	x=y;
	y=t;
}
int main()
{
	int a,b;
	cin>>a>>b;
	change(a,b);
	cout<<a<<" "<<b;
	return 0;
}