#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

ll gcd(ll x, ll y) {return (y == 0 ? x: gcd(y, x % y));}


int main() {
  ll A, B;
  scanf("%lld %lld", &A, &B);

  ll g = gcd(A, B);
  printf("%lld\n", g * gcd(A / g + B / g, g));
  return 0;
}