uclnbcnn

#include<iostream>
using namespace std;

int ucln(int a, int b){

    while(b!=0){
        int t=a%b;
        a=b;
        b=t;
    }
    return a;
}

int bcnn(int a, int b){
    int r=a*b/ucln(a,b);
    return r;
}

main(){
    int a,b;
    cin>>a>>b;
    cout<<ucln(a,b)<<' '<<bcnn(a,b);
}