#include <iostream>
#include <cstring>

using namespace std;

int n , k;

char rasp[50];

int cb()
{
    int st = 1; int dr = n; int sol = 0;

    for (int mij = (st + dr) >> 1; st <= dr; mij = (st + dr) >> 1)
    {
        cout << "query " << mij << '\n';
        cout.flush();
        cin >> rasp;

        if (strcmp(rasp , "broke") == 0) dr = mij - 1;
        else if (strcmp(rasp , "survived") == 0) st = mij + 1;
        else sol = mij;
    }

    if (!sol) sol = dr;

    return sol;
}

int main()
{
    cin >> n >> k;

    cout << "answer " << cb() << '\n';

    cout.flush();
    cin >> rasp;

    return 0;
}