#include<iostream>
using namespace std;
#include<math.h>
class student
{
public:
	string name;
	int cn;
	int math;
	int en;
	int sum = cn + math + en;
}; 
student st[1005];
int main()
{
	int n;
	cin >> n;
	for (int i = 1; i <= n; i++)
		cin >> st[i].name >> st[i].cn >> st[i].math >> st[i].en;
	for (int i = 1; i <= n-1; i++)
	{
		for (int j = i + 1; j <= n; j++)
		{
			if (
				abs(st[i].cn-st[j].cn)<=5&&
				abs(st[i].math-st[j].math)<=5&&
				abs(st[i].en-st[j].en)<=5&&
				abs(st[i].sum-st[j].sum)<=10
				)
				cout << st[i].name << " " << st[j].name << endl;
		}
	}
	return 0;
}