#include <bits/stdc++.h>
using namespace std;

int main() {
    int match = 0;
    string lock = "locked";
    string s;

    for(int i=0;i<=10;i++) {
        if(i != 0) cin >> match >> lock;
        if(match == 10) break;
        else {
            string ss(match, '0' + i - 1);
            s += ss;
        }
        if(i != 10) {
            string t(10, '0' + i);
            cout << t << endl;
        }
    }

    if(lock == "unlocked") return 0;

    do {
        cout << s << endl;
        cin >> match >> lock;
    } while(next_permutation(s.begin(), s.end()) || lock == "locked");

    return 0;
}