#include <stdio.h>
#include <stdlib.h>

int main()
{
    int N, all[N], score[N][3];
    char name[N][10];
    int i, j;

    scanf("%d", &N);

    for(i = 0; i < N; i++)
    {
        scanf("%s %d %d %d", name[i], &score[i][0], &score[i][1], &score[i][2]);
        all[i] = score[i][0] + score[i][1] + score[i][2];
    }

    for(i = 0; i < N-1; i++)
    {
        for(j = i+1; j < N; j++)
        {
            if(abs(score[i][0] - score[j][0]) <= 5 && abs(score[i][1] - score[j][1]) <= 5 && abs(score[i][2] - score[j][2]) <= 5 && abs(all[i] - all[j]) <= 10)
            {
                printf("%s %s\n", name[i], name[j]);
            }
        }
    }C

    return 0;
}