#include<stdio.h>
#include<math.h>
struct grade {
	char name[10];
	int ch;
	int ma;
	int eng;
	int sum;
};
int main()
{
	int n;
	scanf("%d",&n);
	getchar();
	struct grade student[1000];
	for(int i = 0;i<n;i++)
	{
		scanf("%s",student[i].name);getchar();
		scanf("%d",&student[i].ch);getchar();
		scanf("%d",&student[i].ma);getchar();
		scanf("%d",&student[i].eng);getchar();
		student[i].sum=student[i].ch+student[i].ma+student[i].eng;
	}
	for(int i=0;i<n;i++)
	for(int j=i+1;j<n;j++)
	{
		if(abs(student[i].ch-student[j].ch)<=5)
			if(abs(student[i].ma-student[j].ma)<=5)
				if(abs(student[i].eng-student[j].eng)<=5)
					if(abs(student[i].sum-student[j].sum<=10))
					printf("%s %s\n",student[i].name,student[j].name);
	}
	return 0;
}
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