#include<stdio.h>
int main()
{
    int a,b,c;
    for(;scanf("%d %d",&a,&b)!=EOF;)
    {   c=a*b;
        if(a==0&&b!=0)
             printf("%d %d\n",b,a);
        else if(a!=0&&b==0)
             printf("%d %d\n",a,b);
        else
        {
            while(a!=b)
                  {if(a>b)
                    a=a-b;
                  if(a<b)
                    b=b-a;}
                printf("%d %d\n",a,c/a);
        }
    }
}

thank you