import java.util.*;
class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        final int n = sc.nextInt();
        final int k = sc.nextInt();
        Deque<Integer> s = new ArrayDeque<>();
        for(int i = n-1; i >= 0; i -= k+1) s.push(i);
        while(!s.isEmpty()) {
        	System.out.println(s.pop());
            if(sc.nextInt() >= n) break;
        }
    }
}