#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int query_digit(int def, int pw){
    ll mult = powl(10, pw);
    ll l = 1, r = 10, resp;
    while(l < r){
        ll mid = (l+r)/2;

        cout << "query " << mid * mult << endl;
        cin >> resp;

        if(resp - def == mid){
            l = mid + 1;
        }else{
            r = mid;
        }
    }
    
    return 10ll - l;
}

int main(){
    ll baseline;
    cout << "query 0" << endl;
    cin >> baseline;

    ll res = 0;
    ll pw = 1;

    for(int i = 0; i < 18; i++){
        res += pw * query_digit(baseline, i);
        pw *= 10;
    }

    cout << "answer " << res << endl;
}