#include <stdio.h>
struct student
{
	char name[8];
	int chinese;
	int math;
	int english;
}stu[1000];
int main()
{
	int i,n,j,a,b,c,cont=0;
	int sum[1000];
	scanf("%d",&n);
	for(i=0;i<n;i++){
		scanf("%s %d %d %d",&stu[i].name,&stu[i].chinese,&stu[i].math,&stu[i].english);
		sum[i]=stu[i].chinese+stu[i].math+stu[i].english; 
	}
	
	for(i=0;i<n;i++){
		if(i==cont){
			i=i+1;
		}
		for(j=0;j<n;j++){
			if(sum[i]-sum[j]<=abs(10)){
				a=stu[i].chinese-stu[j].chinese;
				b=stu[i].math-stu[j].math;
				c=stu[i].english-stu[j].english; 
			if(a<=abs(5)&&b<=abs(5)&&c<=abs(5)&&i!=j){
				printf("%s %s\n",stu[i].name,stu[j].name); 
				cont=j;
			}
			
		}
		}
	}
	return 0;
}