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

#define FOR(i,a,b) for(ll i=(a);i<(b);++i)
#define ALL(v) (v).begin(), (v).end()
#define p(s) cout<<(s)<<endl
#define p2(s, t) cout << (s) << " " << (t) << endl
#define br() p("")
#define pn(s) cout << (#s) << " " << (s) << endl
#define p_yes() p("Yes")
#define p_no() p("No")

const ll mod = 1e9 + 7;
const ll inf = 1e18;

ll max_index(vector<ll> A){
    auto it = max_element(ALL(A));
    return it - A.begin();
}

int main(){
    cin.tie(0);
    ios::sync_with_stdio(false);

    // input
    vector<ll> ans;
    string s = "0000000000";
    FOR(i, 0, 10){ // index
        vector<ll> A;
        FOR(j, 0, 10){ // value
            char c = j + '0';
            s[i] = c;

            // send
            p(s);

            ll N;
            string response;
            cin >> N >> response;

            if(N==10){
                return 0;
            }

            A.push_back(N);
        }
        ans.push_back(max_index(A));
    }
    
    return 0;
}