Kelipatan

import java.util.Scanner;

public class kelipatan {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        int input = scanner.nextInt();

        for (int i = 1; i <= n; i++) {
            System.out.print((i%input == 0)?"boom,":i+",");
        }
    }
}