#include stdio.h>
int cal.gcd(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 || *p1<=0){
        printf("invalid input");
        return o;
    }
    gcd=calgcd(p,p1);
    lcm=((*p)*(p1))/gcd;
    printf("%d %d",gcd,lcm);
    return 0;
}