Task_112193_1.java

import java.util.Scanner;

public class Task_112193_1 {
    public static long f(int a, int b) {
        while ((a != 0) && (b != 0)) {
            if (a > b) {
                a = a % b;
            } else {
                b = b % a;
            }
        }
        return a + b;
    }

    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);
        int a = s.nextInt();
        int b = s.nextInt();

        System.out.println((long) a * (long) b / f(a, b));
    }
}