#include <bits/stdc++.h>

using namespace std;

bool check(string s) {
    sort(s.begin(), s.end());
    for (int i = 1; i < s.size(); i++) {
        if (s[i - 1] == s[i]) {
            return false;
        }
    }
    return true;
}

int main() {
    std::random_device seed_gen;
    std::uint32_t seed = seed_gen();
    std::default_random_engine engine(seed);

    vector<string> s;
    for (int i = 0; i <= 99999; i++) {
        int v = i;
        string cur;
        for (int j = 0; j < 5; j++) {
            cur.push_back('0' + v % 10);
            v /= 10;
        }
        reverse(cur.begin(), cur.end());
        if (check(cur)) {
            s.push_back(cur);
        }
    }
    int t = 0;
    while (s.size()) {
        std::uniform_int_distribution<> dist(0, s.size() - 1);
        string nx = s[dist(engine)];
        cout << nx << "\n";
        fflush(stdout);
        vector<pair<int, int>> hb(30);
        for (auto &nx : hb) {
            cin >> nx.first >> nx.second;
        }
        if (hb[0].first == 5) {
            return 0;
        }
        hb.resize(30 - t);
        if (hb.back().first == 5) {
            t++;
            hb.resize(30 - t);
        }

        vector<string> ns;
        for (string x : s) {
            pair<int, int> p = {0, 0};
            for (char c : x) {
                if (nx.find(c) < 5) {
                    p.second;
                }
            }
            for (int i : std::ranges::iota_view(0, 5)) {
                if (nx[i] == x[i]) {
                    p.first++;
                    p.second--;
                }
            }
            for (auto q : hb) {
                if (q == p) {
                    ns.push_back(x);
                    break;
                }
            }
        }
        s.swap(ns);
    }
}