gcd lcm

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define fastio ios_base::sync_with_stdio(0); cin.tie(0)
const int N = 2e5 + 5;

int gcd(int a , int b){
    if(b == 0)  return a;
    return gcd(b , a % b);
}

int lcm(int a , int b){
    return a / gcd(a , b) * b;
}


signed main()
{
    fastio;

    int a , b;
    cin >> a >> b;
    cout << gcd(a , b) << ' ' << lcm(a , b) << '\n';
}