/*  This Code is Submitted by wywcgs for Problem 1442 on 2005-03-21 at 22:27:41 */ 
#include <stdio.h>

int main()
{
    int b, a[13], c = 0;
    int i, j ,k, l, m, n;
    
    while(scanf("%d", &b) == 1){
        if(b == 0){
            return 0;
        }else{
            if(c != 0){
                printf("\n");
            }    
            for(i = 0; i < b; i++){
                scanf("%d", &a[i]);
            }
            for(i = 0; i < b-5; i++){
                for(j = 1; j < b-4; j++){
                    if(i >= j){
                        continue;
                    }else{
                        for(k = 2; k < b-3; k++){
                            if((i >= k) || (j >= k)){
                                continue;
                            }else{
                                for(l = 3; l < b-2; l++){
                                    if((i >= l) || (j >= l) || (k >= l)){
                                        continue;
                                    }else{
                                        for(m = 4; m < b-1; m++){
                                            if((i >= m) || (j >= m) || (k >= m) || (l >= m)){
                                                continue;
                                            }else{
                                                for(n = 5; n < b; n++){
                                                    if((i >= n) || (j >= n) || (k >= n) || (l >= n) || (m >= n)){
                                                        continue;
                                                    }else{
                                                        printf("%d %d %d %d %d %d\n", a[i], a[j], a[k], a[l], a[m], a[n]);
                                                    }
                                                }
                                            }
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
            c++;
        }
    }
    
    return 0;
}