#include <bits/stdc++.h>

using namespace std;

int main() {
  int n, k;
  cin >> n >> k;  // read the number of stories and eggs

  int l = 0, r = n;

  string response;
  while (response != "exit") {
    int x = (l + r) / 2;
    if(l < r)
      cout << "query " << x << "\n";  // can also use endl for newline
    else
      cout << "answer " << x << "\n";   

    cin >> response;
    if (response == "broke") k--, r = x;
    else if(response == "survived") l = x + 1;
  }
  return 0;
}