#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <stdio.h>
#include <iomanip>
#include <math.h>
#include <string>
using namespace std;
typedef long long ll;

#define _vi vector<int>
#define _vvi vector<vector<int>>
#define all(x) x.begin(),x.end()

long long gcd(long long a, long long b) { if (b == 0) return a; return gcd(b, a % b); };
long long lcm(long long a, long long b) { return a / gcd(a, b) * b; };

int main() {
	ll a, b;
	cin >> a >> b;

	ll g = gcd(a, b);
	a /= g, b /= g;

	cout << g * gcd(a + b, g) << endl;
}