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

#define RREP(i,s,e) for (i = e-1; i >= s; i--)
#define rrep(i,n) RREP(i,0,n)
#define REP(i,s,e) for (i = s; i < e; i++)
#define rep(i,n) REP(i,0,n)
#define INF 1e8

typedef long long ll;

int main() {
    int i, j, x;
    string res, s = "0000000000";
    rep (i,10) {
        int y;
        string t = s;
        cout << t << endl;
        cin >> x >> res;
        if (x == 10)
            return 0;
        rep (j,9) {
            t[i]++;
            cout << t << endl;
            cin >> y >> res;
            if (y == 10)
                return 0;
            if (x < y)
                s = t;
        }
    }
    return 0;
}