/**
    Author :- Rajat Shahi
    It's never too late !!
**/

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

int main()
{
    cin.tie(0)->sync_with_stdio(0);
    cin.exceptions(ios::badbit | ios::failbit);

    long long a, b;
    cin >> a >> b;

    long long gcd = __gcd(a, b);

    long long ans = gcd;

    a /= gcd, b /= gcd;
    ans *= __gcd(a + b, gcd);

    cout << ans << endl;
}