#include<bits/stdc++.h>
using namespace std;
struct xs{
	string name;
	int yw,sx,yy,sum;
}a[1005];
bool check(xs a,xs b){
	if(abs(a.yw-b.yw)>5) return false;
	if(abs(a.sx-b.sx)>5) return false;
	if(abs(a.yy-b.yy)>5) return false;
	if(abs(a.sum-b.sum)>10) return false;
	return true;
}
int main(){
	int n;
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i].name>>a[i].yw>>a[i].sx>>a[i].yy;
		a[i].sum+=a[i].yw+a[i].sx+a[i].yy;
	}
	for(int i=1;i<n;i++){
		for(int j=i+1;j<=n;j++){
			if(check(a[i],a[j])){
				cout<<a[i].name<<" "<<a[j].name<<"\n";
			}
		}
	}
	return 0;
}