#include <iostream>
#include <algorithm>

using namespace std;

int gcd(int a, int b)
{
    return b == 0 ? a : gcd(b, a % b);
}

int main(int argc, char* argv[])
{
    int a = 0, b = 0;

    scanf("%d%d", &a, &b);

    printf("%d\n", a * b / gcd(a, b));

    return 0;
}