#include <iostream>
#include <algorithm>

using namespace std;
using ll = long long int;

ll gcd(ll a, ll b)
{
    return (b ? gcd(b, a % b) : a);
}

int main()
{
    ll A, B;
    cin >> A >> B;
    ll d = gcd(A, B);
    cout << d * gcd(A / d + B / d, d) << endl;
}