#include <iostream>
#include <cstdio>
using namespace std;
typedef long long int ll;
ll A,B;

ll gcd(ll a,ll b){
  if(a<b){
    ll temp=a;
    a=b;
    b=temp;
  }
  if(b==0)return a;
  return gcd(b,a%b);
}
int main(){
  cin >> A >> B;
  ll m=gcd(A,B);
  A/=m;B/=m;
  m*=gcd(A+B,m);
  cout << m << endl;
  return 0;
}