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

long long a,b;

long long gcd(long long x,long long y)
{
	if(b==0)
		return a;
	return gcd(b,a%b);
}

int main()
{
	cin>>a>>b;
	cout<<gcd(a,b)<<" "<<a*b/gcd(a,b);
	return 0;
}

不开O2MLE
开了O2TLE