#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), gabgab = gcd(ab, gab);
	LL ans = gabgab * gcd(ab / gabgab, (a / gabgab) * b);
	cout << ans << endl;
	return 0;
}