#include <iostream>
#include <algorithm>
using namespace std;
int __lcm(int m, int n) {
    return m * n / __gcd(m, n);
}
int main() {
    int a, b;
    cin >> a >> b;
    cout << __gcd(a, b) << " " << __lcm(a, b);
    return 0;
}

why WA??