102212B - Racetrack

using namespace std;
int gcd(int a, int b) { return (b == 0 ? a : gcd(b, a % b)); }
int lcm(int a, int b) { return (a * (b / gcd(a, b))); }
int main(void)
{
    int a, b;
    cin >> a >> b;
    cout << lcm(a, b) << endl;
    return 0;
}