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