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

int n,k,x;

void divide(int left,int right)
{
    if (left==right)
    {
        printf("answer %d\n",left);
        fflush(stdout);
        char s[10];
        scanf("%s",s);
    }
    else
    {
        printf("query %d\n",(left+right)/2);
        fflush(stdout);
        char s[10];
        scanf("%s",s);
        if (strcmp(s,"broke")==0)
        {
            k--;
            divide(left,(left+right)/2);
        }
        else if (strcmp(s,"survived")==0)
        {
            divide((left+right)/2+1,right);
        }
        else
        {
            exit(1);
        }
    }
}

int main()
{
    scanf("%d %d",&n,&k);
    divide(1,n);
    return 0;
}