#danglam228

#include <bits/stdc++.h>
using namespace std;
long long a,b;
int main() {
        ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);
    //freopen(".INP", "r", stdin);
    //freopen(".OUT", "w", stdout);
    cin>>a>>b;
    cout<<"Uoc chung lon nhat cua 2 so a,b: "<<__gcd(a,b)<<endl;
    cout<<"Boi chung nho nhat cua 2 so a,b: "<<(a*b)/(__gcd(a,b))<<endl;
}

#include <bits/stdc++.h>
using namespace std;
int main() {
int a, b;
cin>>a>>b;
int ta = a, tb=b;
while (tb!=0) {
int t=tb;
tb=ta%t;
ta=t;
}
int ucln=ta;
int bcnn=(a/ucln)*b;
cout<<ucln<<endl;
cout<<bcnn<<endl;
return 0;
}