#include <stdio.h>
#include <stdlib.h>
struct student
{
    char name[1001];
    int c,m,e;
}a[1002];

int main()
{
    int n,w[1001];
    scanf("%d",&n);
    for (int i = 0; i < n; i++)
    {
        scanf("%s%d%d%d",&a[i].name,&a[i].c,&a[i].m,&a[i].e);
        w[i]=a[i].c+a[i].m+a[i].e;
    }

    for (int i = 0; i < n-1; i++)
    {
        for (int j = i+1; j < n; j++)
        {
            if(abs(w[i]-w[j])<=10&&abs(a[i].c-a[j].c)<=5&&abs(a[i].m-a[j].m)<=5&&abs(a[i].e-a[j].e)<=5)
            printf("%s %s\n",a[i].name,a[j].name);
        }
        
    }
    
}