#include <bits/stdc++.h>

using namespace std;

int main()
{
    long long stepen=1;
    long long br=0;
    vector<long long> vec;
    cout<<"query 0"<<endl;
    long long sum; cin>>sum;
    while (br<=18)
    {
        long long l=0;
        long long r=9;
        long long rez=-1;
        while (l<=r)
        {
            long long mid=(l+r)/2;
            cout<<"query "<<stepen*mid<<endl;
            long long pos; cin>>pos;
            if (pos<sum)
            {
                rez=mid;
                r=mid-1;
            }
            else l=mid+1;
        }
        if (rez==-1) vec.push_back(0);
        else vec.push_back(10-rez);
        stepen*=10;
        br++;
    }
    reverse(vec.begin(),vec.end());
    cout<<"answer ";
    bool da=false;
    for (long long i=0;i<vec.size();i++)
    {
        if (vec[i]==0 and da) cout<<0;
        else if (vec[i]!=0) cout<<vec[i];
    }
}