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

string zero = "0000000000";

int challenge(int change_point, int change_number){
    zero[change_point] = change_number + '0';
    cout << zero << endl;
    zero = "0000000000";
    int reply;
    string if_locked;
    cin >> reply >> if_locked;
    if(reply == 10){
        exit(0);
    }else{
        return reply;
    }
}

int main(){
    string ans = "          ";
    for(int i = 0; i < 10; i++){
        int normal = min(challenge(i, 0), challenge(i, 1));
        for(int j = 0; j < 10; j++){
            if(challenge(i, j) != normal){
                ans[i] = j + '0';
                break;
            }
        }
    }
    cout << ans << endl;
}