#include <iostream>
#include <string>

using namespace std;

int main()
{
    int n, k;
    string r;
    cin >> n >> k;

    int st = 1, dr = n, med;

    while (st < dr)
    {
        med = (st + dr) / 2;
        cout << "query " << med << "\n";
        cout.flush ();

        cin >> r;

        if (r == "broke")
            dr = med - 1;
        else if (r == "survived")
            st = med + 1;
    }

    cout << "answer " << st << "\n";
    cout.flush ();

    return 0;
}