/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Main
{
    public static void main (String[] args) throws java.lang.Exception
    {
        // your code goes here
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String[] lines = br.readLine().split(" ");
        int n = Integer.parseInt(lines[0]);
        int k = Integer.parseInt(lines[1]);
        
        int x = n%k;
        System.out.println(x);
        System.out.flush();
        
        int now = inputInt(br);
        while(now < n){
            x = (n-now-1)%k;
            x = x==0?k:x;
            System.out.println(now+x<n-1?now+x:n-1);
            System.out.flush();
            now = inputInt(br);
        }
    }
    
    public static int inputInt(BufferedReader br) throws java.lang.Exception{
        return Integer.parseInt(br.readLine());
    }
}