#include<bits/stdc++.h>
using namespace std;
string name[100005];
int a[100005],b[100005],c[100005];
int z[100005];
int main()
{
	int n;
	cin>>n;
	for(int i=1;i<=n;++i)
	{
		cin>>name[i]>>a[i]>>b[i]>>c[i];
		z[i]=a[i]+b[i]+c[i];
	}
	for(int i=1;i<=n;++i)
	{
		for(int j=i+1;j<=n;++i)
		{
			if(abs(a[i]-a[j])<=5 && abs(b[i]-b[j])<=5 && abs(c[i]-c[j])<=5 && abs(z[i]-z[j])<=10)
			{
				cout<<name[i]<<" "<<name[j];
			}
		}
	}
	return 0;
 }