#include<cstdio>
#include<iostream>
#include<algorithm>
#include<cmath>

using namespace std;

struct node
{char name[9];
 int chinese,math,english,total;
}a[1000];

int main()
{int N;
 cin>>N;
 for (int i=0;i<N;i++)
    {cin>>a[i].name>>a[i].chinese>>a[i].math>>a[i].english;
     a[i].total=a[i].chinese+a[i].math+a[i].english;
    }
 for (int i=0;i<N-1;i++)
    for (int j=i+1;j<N;j++)
        {if (abs(a[i].chinese-a[j].chinese)<=5 && abs(a[i].math-a[j].math)<=5 && abs(a[i].english-a[j].english)<=5 && abs(a[i].total-a[i].total)<=10)
            cout<<a[i].name<<' '<<a[j].name<<endl;
        }
 return 0;
}