#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> VI;
#define REP(i, n) for(int(i)=0;(i)<(n);++(i))
#define in(T,V) T V;cin>>V;
const int MOD = int(1e9+7);

int check(int n[10]){
    string s;
    REP(i,10){
        if(n[i] < 0) s += "-";
        else s += char('0' + n[i]);
    }
    cout << s << endl;
    getline(cin, s);
    stringstream ss(s);
    int v; ss >> v;
    return v;
}

int main(){
    int n[10],b[10];
    REP(i,10){
        REP(j,10) n[j] = i;
        b[i] = check(n);
        if(b[i] == 10) return 0;
    }

    REP(i,10) n[i] = -1;
    int r = 0;
    REP(i,10){
        REP(j,10){
            if(b[j] == 0) continue;
            n[i] = j;
            int v = check(n);
            if(r < v){
                r = v; b[j]--;
                break;
            }
        }
    }


}