#include<iostream>
using namespace std;
typedef long long ll;
int main(){
    int n,k,st,dr;
    cin>>n>>k;
    string response;
    st=1,dr=n;
    while(st<dr){
        int mij=(st+dr)/2;
        cout << "query " << mij << "\n";
        cout.flush();cin >> response;
        if(response == "broke") dr=mij;
        else st=mij;
    }
    cout << "answer " << st+1 << "\n";
    cout.flush();cin >> response;
    return 0;
}