#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
#define pb push_back
#define ll long long
#define int ll
const long long inf=1e18;
const int MOD=1e9+7;
const int N=1e5+5;
signed main()
{
  // ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
   cout<<"query 0"<<endl;
   int sum; cin>>sum;
   string s="";
   int x=1;
   for(int i=1;i<=17;i++){
     int l=1,r=9;
     while(l<r){
       int mid=(l+r+1)/2;
       cout<<"query "<<(10-mid)*x<<endl;
       int newsum; cin>>newsum;
       if(newsum<sum)l=mid;
       else r=mid-1;
     }
     string k=to_string(l);
     s+=k;
     x*=10;
   }
   while(s.back()==0)s.pop_back();
   reverse(s.begin(),s.end());
   cout<<"answer "<<s;
}