#include<bits/stdc++.h>

using namespace std;

typedef long long ll;
int zbir, zbir1;
ll x;
int main() {
    cout << "query 0\n";
    cout.flush();
    cin >> zbir;
    zbir1=zbir;
    for(ll i=1, j=0; j<=18; i*=10, j++) {
        if(zbir1==0) break;
        int l=1, r=9;
        while(l<=r) {
            int mid=(l+r)/2;
            cout << "query " << (ll)mid*i << "\n";
            cout.flush();
            int rez; cin >> rez;
            if(rez<zbir) r=mid-1;
            else l=mid+1;
        }
        x+=i*(9-r);
        //cout << x << "\n"; cout.flush();
        zbir1-=9-r;
    }
    cout << "answer " << x << "\n";
    cout.flush();
    return 0;
}