B3634 最大公约数和最小公倍数

#include <bits/stdc++.h>
using namespace std;
int gcd(int a, int b){
    while (b != 0){
        int tmp = a % b;
        a = b;
        b = tmp;
    }
    return a;
}
int lcm(int a, int b){
    return a * b / gcd(a, b);
}
int main(){
    int a, b;
    cin >> a >> b;
    cout << gcd(a, b) << ' ' << lcm(a, b);
    return 0;
}