#include <bits/stdc++.h>
using namespace std;

struct fen{
	string id;
	int e,m,l,a;
};
fen f[10010];

int main()
{
	int n;
	cin >> n;
	for (int i = 1; i <= n; i++)
	{
		cin >> f[i].id >> f[i].e >> f[i].m >> f[i].l;
		f[i].a = f[i].e + f[i].m + f[i].l;
	}
	for (int i = 1; i <= n; i++)
	{
		for (int j = i + 1; j <= n; j++)
		{
			if (abs(f[i].e - f[j].e) <= 5 && abs(f[i].m - f[j].m) <= 5 && abs(f[i].l -f[i].l) <= 5&&abs(f[i].a -f[i].a) <= 10) cout << f[i].id<<" " << f[j].id << endl;
		}
	}
}