#include <iostream>
#include <sstream>
#include <algorithm>
#include <cstdio>

using namespace std;

typedef long long LL;

LL gcd(LL a, LL b) { return b ? gcd(b, a % b) : a; }

int main(int argc, char *argv[]) {
	LL a, b;
	cin >> a >> b;
	LL ab = a + b, gab = gcd(a, b);
	LL ans = gcd(ab, (a / gab) * (b / gab));
	for (int i = 0; i < 2; ++i) {
		if ((ab % gab) == 0) {
			ab /= gab;
			ans *= gab;
		}
	}
	cout << ans << endl;
	return 0;
}