#include<iostream>
#include<string>

using namespace std;


int n, k, u, v, x;
string response;
int sol(int u, int v)
{
	x=(u+v+1)/2;
	cout << "query " << x << "\n";
	cout.flush();
	cin >> response;
	if(response=="survived")
	{
		if(v-1==x)
				return v;
		else
				return sol(x, v);
	}
	else
		if(response=="broke")
		{
			if(u+1==x)
				return x;
			else
				return sol(u, x);
		}
		else
			return 0;
}



int main()
{
	cin>>n>>k; 
	string response;
	cout<<"answer "<<sol(0, n)<< "\n";
	cout.flush();
	cin>>response;
	return 0;
}