import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int K = sc.nextInt();
        int t = N%(K+1);
        System.out.println(t-1);
        System.out.flush();
        int B = sc.nextInt();
        while(B<N){
            int d=B-t;
            int A=B+K+1-d;
            System.out.println(A);
            System.out.flush();
            t=B;
            B=sc.nextInt();
        }
    }
}