#include <iostream>
#include <algorithm>
using namespace std;

int main(){
   int num[] = {0,1,2,3,4,5,6,7,8,9};
   do{
      cout << num[0] << ' ' << num[1] << ' ' << num[2] << ' ' << num[3] << endl;
      int x,y;
      cin >> x >> y;
      if(x == 4) break;
   }while(next_permutation(num,num + 10));
}