#include <bits/stdc++.h>
using namespace std;
long long A, B;
int main() {
	cin >> A >> B;
	long long p1 = __gcd(A + B, A);
	long long p2 = __gcd(A + B, B);
	cout << p1 / __gcd(p1, p2) * p2 << endl;
	return 0;
}