import java.util.*;

public class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		long a = sc.nextLong();
		long b = sc.nextLong();
		long c = a + b;
		long gcdA = gcd(a, c);
		long gcdB = gcd(b, c);
		long ans = gcdA / gcd(gcdA, gcdB) * gcdB;
		System.out.println(ans);
	}
	
	static long gcd(long a, long b) {
	    if (a % b == 0) {
	        return b;
	    } else {
	        return gcd(b, a % b);
	    }
	}
}