#include "bits/stdc++.h"
using namespace std;
     
#define DEBUG(x) cout<<#x<<": "<<x<<endl;
#define DEBUG_VEC(v) cout<<#v<<":";for(int i=0;i<v.size();i++) cout<<" "<<v[i]; cout<<endl
     
typedef long long ll;
#define vi vector<int>
#define vl vector<ll>
#define vii vector< vector<int> >
#define vll vector< vector<ll> >
#define vs vector<string>
#define pii pair<int,int>
#define pis pair<int,string>
#define psi pair<string,int>
const int inf = 1000000001;
const ll INF = 1e16;
#define MOD 1000000007
#define mod 1000000009
#define pi 3.14159265358979323846
#define Sp(p) cout<<setprecision(15)<<fixed<<p<<endl;
int dx[4] = { 1,0,-1,0 }, dy[4] = { 0,1,0,-1 };
int dx2[8] = { 1,1,0,-1,-1,-1,0,1 }, dy2[8] = { 0,1,1,1,0,-1,-1,-1 };


ll gcd(ll a, ll b) {
	if (b > a) {
		swap(a, b);
	}
	ll r = a%b;
	while (r != 0) {
		a = b;
		b = r;
		r = a%b;
	}
	return b;
}


int main() {
  ll a, b;
  cin >> a >> b;
  ll sum = a + b;
  ll g = gcd(sum, a);
  sum /= g;
  ll h = gcd(sum, b);
  cout << g * h << endl;
  return 0;
}