#include <iostream>
#include <algorithm>

using namespace std;

int main() {
	long long a, b;
	cin >> a >> b;

	long long s = a + b;

	long long gcd = __gcd(s, a);
	s /= gcd;

	gcd *= __gcd(s, b);

	cout << gcd << endl;
	return 0;
}