#include "iostream"
#include "climits"
#include "list"
#include "queue"
#include "stack"
#include "set"
#include "functional"
#include "algorithm"
#include "string"
#include "map"
#include "iomanip"
#include "random"

using namespace std;

const long long int MOD = 1000000007;
const long double EPS = 0.00000001;

long long int N, M, K, W, H, L, R;

long long int LCM(long long int a, long long int b) {
	if (a < b)swap(a, b);
	while (b) {
		a %= b;
		swap(a, b);
	}
	return a;
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);

	cin >> N >> M;
	K = N + M;
	long long int box = LCM(N, K);
	K /= box;
	cout << LCM(K, M)*box << endl;
	return 0;
}