@#include <fstream>
#include <iostream>
#include <cmath>
using namespace std;
long long cmmdc(long long a, long long b)
{
// algoritmul lui euclid
long long r;
while(b != 0)
{
r = a%b;
a = b;
b = r;
}
return a;
}
long long cmmmc(long long a, long long b)
{
return a * b / cmmdc(a, b);
}
int main()
{
long long a, b;
cin >> a >> b;
cout << cmmdc(a, b) << ‘ ‘ << cmmmc(a, b);
return 0;
}@