#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

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

int main(void) {
  ll a, b;
  cin >> a >> b;

  ll g = gcd(a, b);
  cout << g * gcd(a / g + b / g, g) << endl;

  return 0;
}