#include<stdio.h>

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