#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("Yes");}else{puts("No");}
#define MAX_N 200005

int main() {
    int f[10] = {};
    int x;
    string s;
    rep(i,10){
        int ma = -1;
        int arg = -1;
        rep(j,10){
            rep(k,10){
                if(k == i)cout << j;
                else cout << f[k];
            }
            cout << endl;
            fflush(stdout);
            cin >> x >> s;
            if(x == 10){
                return 0;
            }
            if(ma < x){
                ma = x;
                arg = j;
            }
        }
        f[i] = arg;
    }
}