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

int main()
{
    int N,K,ans=0,i;

    cin>>N>>K;
    string s;
    i=K+1;

    while(!ans)
        {
            cout<<"query "<<i;

            i+=K;

            cout.flush();

            cin>>s;

                if (s=="broke")
                    {
                        ans = i-K;

                        cout<<"query "<<i+8;
                        cout.flush();
                        cin>>s;
                        if (s != "broke")
                            i+=8;

                        cout<<"query "<<i+4;
                        cout.flush();
                        cin>>s;
                        if (s != "broke")
                            i+=4;

                        cout<<"query "<<i+2;
                        cout.flush();
                        cin>>s;
                        if (s != "broke")
                            i+=2;

                        cout<<"query "<<i+1;
                        cout.flush();
                        cin>>s;
                        if (s != "broke")
                            i+=1;

                        ans=i;
                    }

        }
    cout<<ans;

    return 0;
}