#include <stdio.h>
int calgcd(int *x, int *y){
    int a=*x;
    int b=*y;
    while(b != 0){
        int temp=b;
        b=a%b;
        a=temp;
    }
    return a;
}
int main(){
    int a, b,lcm,gcd;
    int *p=a;
    int *p1=b;
    scanf("%d %d" ,p,p1);
    if(*p<=0 || *p<=0){
        printf("Invalid input");
        return 0;
    }
    gcd=calgcd(p,p1);
    lcm=((*p)*(*p1))/gcd;
    printf("%d %d ",gcd,lcm);
    return 0;
}