import java.util.Scanner;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int i = Math.max(a, b);
        for (; i <= a * b; i += Math.max(a, b)) {
            if (i % a == 0 && i % b == 0) {
                break;
            }
        }
        System.out.println(i);
    }
}