#include<iostream>
using namespace std;
using ll=long long;
ll gcd(ll a,ll b){
  if(b==0)return a;
  else return gcd(b,a%b);
}
int main(){
  ll a,b;cin>>a>>b;
  ll g=gcd(a,b);
  cout<<gcd(a/g+b/g,g)*g<<endl;
}