#include<iostream>
using namespace std;
int main(){


int n, k,x,maxa,maxb;
    cin>>n>>k; //read the number of stories and eggs
       string response;
       maxa=n;
       maxb=1;
  x=(maxa+maxb)/2;
    while(response != "exit"&&k>-1) {
if(maxa==maxb) {cout<<"answer"<<" "<<x<<"\n"; cout.flush();}
else
            if(k==0)  {cout<<"answer"<<" "<<x<<"\n"; cout.flush();}
else {
        cout << "query " << x << "\n"; //can also use endl for newline
        cout.flush();
        k--;}

       cin >> response;
        if(response == "broke") maxa=x-1;
else maxb=x+1;
x=(maxa+maxb)/2;

        }

return 0;
}