cmmdc / cmmmc

#include <iostream>

using namespace std;

int main()
{
    int a, b, p, r;
    cin >> a >> b;
    p = a * b;
    while(b)
    {
        r = a % b;
        a = b;
        b = r;
    }
    cout << "cmmdc: " << a << "\n";
    cout << "cmmmc: " << p / a;
    return 0;
}