#include <iostream>

using namespace std;

int n, k, sureAboutAnswer = 0, ll = 0, ul;

int main() {
	cin>>n>>k; //read the number of stories and eggs
	string response;
	ul = n;
	int x = (ll+ul)/2;

	while(response != "exit") {

		if (ll!=ul && (ll+1!=ul)) {
			cout << "query " << x << "\n";
			cout.flush();

			cin >> response;

			if (response == "broke") {
				k--;
				ul = x;
				x = (ll+ul)/2;
			} else if (response == "survived") {
				ll = x;
				x = (ll+ul)/2;
			}
		} else { //in case you've found the answer
			cout << "answer " << ul << "\n";
			cout.flush();
			cin >> response; //the response is going to be "exit"
		}
	}
	
	return 0;
}