#include <iostream>
#include <iomanip>
#include <cmath>
#include <climits>
#include <algorithm>
#include <set>
#include <numeric>
#define pb push_back
#define rep(i, a, b) for (int i = a; i < (int)(b); i++)
#define rrep(i, a, b) for (int i = a; i >= (int)(b); i--)
//#pragma GCC optimize ("-03")
using namespace std;
typedef long long ll;
const ll INF = INT_MAX / 2;
const ll INFL = 1LL << 60;
template<class T> bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

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

    ll a2 = a / gcd(a, b);
    ll b2 = b / gcd(a, b);
    cout << gcd(a2 + b2, gcd(a, b)) * gcd(a, b) << endl;
    return 0;
}