1 #include <iostream>
 2 #include <stdio.h>
 3 #include <algorithm>
 4 #include <string.h>
 5 using namespace std;
 6 const int N = 5;
 7 int a[N];
 8 int main() {
 9     int n, m, k = 1, ans;
10     while(cin>>a[0]>>a[1]>>a[2]>>a[3]) {
11         if(a[0] == 0 && a[1] == 0 && a[2] == 0 && a[3] == 0) break;
12         if(k != 1) printf("\n");
13         int flag = 1, ans;
14         do{
15             if(a[0] == 0)continue;
16             if(flag) flag = 0;
17             else if(ans == a[0]) printf(" ");
18             else printf("\n");
19             printf("%d%d%d%d",a[0],a[1],a[2],a[3]);
20             ans = a[0];
21         }while(next_permutation(a, a+4));
22         printf("\n");
23         k++;
24     }
25     return 0;
26 }