#include <iostream>
#include <string>
#include <ctime>
using namespace std;

int main()
{
	int n, k, start = 1, end, median;
	string answer;
	cin >> n >> k;
	end = n;
	median = n-1;
	srand(time(0));
	//int r = rand()%(n-1) + 1;
	while (answer != "exit" && answer != "error")
	{
		cout << "query " << median << "\n";
		cout.flush();
		cin >> answer;
		/*if (median < r)
			answer = "survived";
		else
			answer = "broke";*/		
		if (answer == "broke")
		{
			if (end - start <= 1)
			{
				cout << "answer " << (start + end)/2 << "\n";
				cout.flush();
				cin >> answer;
			}
			end = median - 1;
		}

		if (answer == "survived")
		{			
			start = median + 1;			
		}
		median = (start + end) / 2;

		if (start == end)
		{
			cout << "answer " << start << "\n";
			cout.flush();
			cin >> answer;
		}
	}
	return 0;
}