#include <iostream>
using namespace std;

bool ask(int x)
{
	cout << "query " << x << "\n";
	cout.flush();
	string res;
	cin >> res;
	if(res == "broke") return false;
	if(res == "survived") return true;
}

int main() {
	int n, k;
	cin >> n >> k;
	string res = "";
	int ans = n/2;
	while(n != 0)
	{
		if(ask(ans))
		{
			ans = (ans + n)/2;
		}
		else
		{
			ans = ans/2;
			n = n/2;
		}
	}
	cout << "answer " << ans << "\n";
	return 0;
}