#include <cstdio>
#include <cstdlib>
#include <cstddef>
#include <vector>
#include <algorithm>
#include <cmath>
#include <string>
#include <iostream>
#include <iomanip>

long getgcd(long a, long b) {
	while (0 < a && 0 < b) {
		if (a < b)
			b = b % a;
		else
			a = a % b;
	}
	return std::max(a, b);
}

int main(void)
{
	long a, b, c, d;
	std::cin >> a >> b;
    c = a + b;
    d = getgcd(a, c);
    d *= getgcd(c / d, b);
	std::cout << d << std::endl;
	return 0;
}