#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main()
{
   int n,k,x,xmin,xmax;
   char s[100]={'0'};
   scanf("%d%d",&n,&k);
   xmin=1;
   xmax=n;
   x=(xmin+xmax)/2;
   while((strcmp(s,"exit")!=0)&&(k!=0))
   {
       printf("query %d\n",x);
       fflush(stdout);
       scanf("%s",s);
       if(strcmp(s,"broke")==0)
        {
            k--;
            xmax=x;
        }
        else if(strcmp(s,"survived")==0)
            {
                xmin=x;
            }
        else if(strcmp(s,"error")==0) break;
        if(xmin==xmax-1)
            {
                if(xmin==1)
                {
                    printf("query %d\n",xmin);
                    fflush(stdout);
                    scanf("%s",s);
                    if(strcmp(s,"broke")==0)
                    {
                        printf("answer %d\n",xmin);
                        fflush(stdout);
                        scanf("%s",s);
                    }
                     else
                    if(strcmp(s,"survived")==0)
                    {
                        printf("answer %d\n",xmax);
                        fflush(stdout);
                        scanf("%s",s);
                    }
                }
                else
                {
                    printf("answer %d\n",xmax);
                    fflush(stdout);
                    scanf("%s",s);
                }

            }
        else
            {
                x=(xmin+xmax)/2;
            }
   }

   return(0);

}