#include<bits/stdc++.h>
using namespace std;
struct s{
	string name;
	int yu,shu,yin,zong;
};

s g[100010];
int main()
{
	int n;
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>g[i].name>>g[i].yu>>g[i].shu>>g[i].yin;
		g[i].zong=g[i].yu+g[i].shu+g[i].yin;
	}

	for(int i=0;i<n;i++){
		for(int j=i+1;j<n;j++){
			if(g[i].shu-g[j].shu>=-5&&g[i].shu-g[j].shu<=5){
				if(g[i].yu-g[j].yu>=-5&&g[i].yu-g[j].yu<=5){
					if(g[i].yin-g[j].yin>=-5&&g[i].yin-g[j].yin<=5){
						if(g[i].zong-g[j].zong>=-10&&g[i].zong-g[j].zong<=10){
							cout<<g[i].name<<" "<<g[j].name<<endl;
						}
					}
				}
			}
		}
	}
	return 0;
}