#include <bits/stdc++.h>
using namespace std;
using ll = long long;


ll GCD(ll a, ll b)
{
	if (b == 0) return a;
	else return GCD(b, a%b);
}

int main(int argc, char **argv)
{
	ll a, b;
	cin >> a >> b;

	ll g = GCD(a, b);

	ll a_ = a / g;
	ll b_ = b / g;

	std::cout << g * GCD(a_ + b_, g)<< std::endl;
}