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