#include <cstdio>
#include <cstring>
#include <iostream>
#include <string>
#include <cmath>
#include <bitset>
#include <vector>
#include <map>
#include <set>
#include <queue>
#include <deque>
#include <algorithm>
#include <complex>
#include <unordered_map>
using namespace std;
typedef long long int 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 d=gcd(a, b);
	cout<<d*gcd((a+b)/d, d)<<endl;
	return 0;
}