#include <iostream>
#include <vector>
#include <cstring>
#include <bitset>
#include <set>
#include <deque>
#include <queue>
#include <iomanip>
#include <map>
#include <algorithm>
#include <cmath>
#include <stack>
#include <sstream>
#include <functional>
#include <utility>
#include <cstdio>

using namespace std;

#define mp make_pair
#define pb push_back
#define ff first
#define ss second

typedef pair<int,int> pii;
typedef long long ll;



int main(){

    ios_base::sync_with_stdio(false);

    int n, k;
    cin>>n>>k; //read the number of stories and eggs

    int l,r,x;
    l = 1,r = n;
     string response;
     while(response != "exit") {
         x = (l+r)/2;
         cout << "query " << x << "\n"; //can also use endl for newline
         cout.flush();

         cin >> response;
            if(response == "broke") k--,r = x-1;
            else if(response == "survived") k--, l = x;

         if(l == r - 1){
            cout << "query " << r << "\n"; //can also use endl for newline
         cout.flush();

         cin >> response;

         if(response == "survived")
             x = r;
         else x = l;
            //in case you've found the answer
            cout << "answer " << x << "\n";
            cout.flush();
            cin >> response;

         }


    }
}