#include<stdio.h>
#include<math.h>
struct student
{
	char name[21];
	int a,b,c,sum;
};
int main()
{
	struct student s[1010];
	int n,i;
	scanf("%d",&n);
	for(i=0;i<n;i++)
	{
	     scanf("%s %d %d %d",&s[i].name ,&s[i].a,&s[i].b ,&s[i].c );
     	s[i].sum =s[i].a +s[i].b +s[i].c ;
	}
	
	for(i=0;i<n;i++)
	{
		for(int j=i+1;j<n;j++)
		{
			if(abs(s[i].a -s[j].a)<=5&&
			abs(s[i].b -s[j].b)<=5&&
			abs(s[i].c -s[j].c)<=5&&
			abs(s[i].sum -s[j].sum <=10))
			{
				
				if(s[i].name <s[j].name )
				printf("%s %s\n",s[i].name ,s[j].name );
				else
				printf("%s %s\n",s[j].name ,s[i].name );	
			}
			
			
		}
	}
	return 0;
}