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)-1;
        if(t==-1){
            t=K;
        }
        System.out.println(t);
        System.out.flush();
        int B = sc.nextInt();
        int d=B-t;
        while(true){
            int A=B+(K+1-d);
            System.out.println(A);
            System.out.flush();
            t=B;
            B=sc.nextInt();
            if(B>=N){
                break;
            }
            d=B-t;
        }
    }
}