import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        int m = scanner.nextInt();
        // 注意最小公倍数包含自身
        int gb = m;
        while (true) {
            if (gb % n == 0 && gb % m == 0) {
                break;
            }
            gb++;
        }
        System.out.println(gb);
    }
}