#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < (n);i++)
#define sz(x) int(x.size())
typedef long long ll;
typedef pair<int,int> P;
ll gcd(ll a, ll b){
    if(b == 0)return a;
    return gcd(b,a%b);
}
int main(){
  ll a, b;
  cin >> a >> b;
  ll g = gcd(a,b);
  cout << g * gcd(a/g + b/g, g) << endl;
  return 0;
}