#include<iostream>
#include<stdlib.h>
using namespace std;
int n,k;
void bin(int a,int b)
{
   if(a>=b) cout<<"answer "<<a<<'\n';
   else
   {
       int m=(a+b)/2;
       char res[10];
       cout<<"query "<<m<<'\n';
       cin>>res;
       //system("cls");
       cout.flush();
       if(res[0]=='s') bin(m+1,b);
       else bin(a,m);
   }
}
int main()
{
    cin>>n>>k;
    bin(1,n);
    return 0;
}