#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
//#include<cctype>
#include<climits>
#include<iostream>
#include<string>
#include<vector>
#include<map>
//#include<list>
#include<queue>
#include<deque>
#include<algorithm>
//#include<numeric>
#include<utility>
#include<complex>
//#include<memory>
#include<functional>
#include<cassert>
#include<set>
#include<stack>

const int dx[] = {1, 0, -1, 0};
const int dy[] = {0, 1, 0, -1};
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef pair<int, int> pii;

int main() {
    string ans;
    for (int i = 0; i < 10; i++) ans += '0';
    for (int i = 0; i < 10; i++) {
        vector<int> result(10);
        int maxi = 0;
        for (int j = 0; j < 10; j++) {
            ans[i] = (char)('0'+j);
            cout << ans << endl;
            int ok;
            string t;
            cin >> ok >> t;
            result[j] = ok;
            maxi = max(maxi, ok);
        }
        for (int j = 0; j < 10; j++) {
            if (maxi == result[j]) {
                ans[i] = (char)('0'+j);
                break;
            }
        }
    }
    cout << ans << endl;
    return 0;
}