#include<iostream>

using namespace std;

int main()
{
    int A, B;
    while (cin >> A >> B)
    {
        int m = max(A, B);
        while (1)
        {
            if (m % A == 0 && m % B == 0)
            {
                cout << m << endl;
                break;
            }
            ++m;
        }
    }
    return 0;
}