#include<stdio.h>

void fun(int n1,int n2,int *gcd,int *lcm){
    int itr;
    for(itr=1;itr<=n1&&itr<=n2;itr++)
    {
        if(n1%itr==0 && n2%itr==0){
        *gcd=itr;}
    }
    *lcm= (n1*n2) / *gcd;
}

int main(){
    int num1,num2,*gcd,*lcm;
    scanf("%d%d",&num1,&num2);
    if(num1<=0 || num2<=0)
    {
        printf("Invalid input");
    }
    return 0;
    fun(num1,num2, &gcd, &lcm);
    printf("%d %d", &gcd, &lcm);
    return 0;
}