GCD

 #include <bits/stdc++.h>

using namespace std;

#define int long long int

void solve()

{   

int a, b;

cin >> a >> b;

int c = a;

int d = b;

int gcd = 0;

while(b != 0)

{

    int temp = b;

    b = a % b;

    a = temp; // a is now second big

}

gcd = a;

int lcm = (c * d)/gcd; 

cout << gcd << " " << lcm << endl;

}

                                                

main()  

{

    int tc;

    //cin >> tc;

    //while(tc--)

    {

        solve();

    }

    

    return 0;

}