#include<iostream>
using namespace std;
int n,k,p,u,mid;
int main(){
    cin>>n>>k; //read the number of stories and eggs
    string response;
    p=1;
    u=n;
    while(response != "exit" && p<=u ) {
        mid=(p+u)/2;
        cout << "query " << mid << "\n"; //can also use endl for newline
        cout.flush();
        cin >> response;
        if(response == "broke"){
            k--;
            u=mid-1;
        }
        else{
            p=mid+1;
        }
        /*if(!sureAboutAnswer) { //perhaps you need more information
            cout << "query " << x << "\n";
            cout.flush();
            cin >> response;
            if(response == "broke") k--;
        }*/
        if(p>u){
            //else { //in case you've found the answer
            cout << "answer " << p << "\n";
            cout.flush();
            cin >> response; //the response is going to be "exit"
        }
    }
return 0;
}