# -*- coding: utf-8 -*-

def euclidian(A, B):
    a = b = 0
    if A >= B:
        a = A
        b = B
    else:
        a = B
        b = A
    while a%b!=0:
        m = a % b
        a = b
        b = m
    return b

A,B = map(int, input().split())

gcd = euclidian(A, B)
a = A // gcd
b = B // gcd
print(euclidian(a+b, gcd)*gcd)