#include <iostream>
using namespace std;

int main()
{

int n, k, m;
     cin>>n>>k;
     int li=0,ls=n;
     m=(li+ls)/2;
     string response;
     while(response != "exit") {
         cout << "query " << m << "\n";
         cout.flush();
         cin >> response;
        if(response == "survived")
        {
            k--;
            li=m+1;
            m=(li+ls)/2;
        }
        else if(response == "broke")
        {
            k--;
            ls=m;
            m=(li+ls)/2;
        }

        if(li>=ls) {
            cout << "answer " << m << "\n";
        cout.flush();
    cin >> response;
        }
}
}