import java.util.Scanner;


public class prog {
    public static void main (String[] args) throws java.lang.Exception
    {
        Scanner scanner = new Scanner(System.in);
        String[] data = scanner.nextLine().split(" ");
        int low = 0;
        int high = Integer.parseInt(data[0]);
        while(low + 1 < high){
            int mid = (low+high)/2;
            System.out.println("query "+mid);
            String res = scanner.nextLine();
            if(res.equals("broke")){
                high = mid;
            } else if (res.equals("survived")){
                int i = mid+1;
                for (; i < Integer.parseInt(data[0]) && res.equals("survived"); i++) {
                    System.out.println("query "+i);
                    res = scanner.nextLine();
                }
                System.out.println("answer "+(i-2)); 
            }
        }
    }
}