#include<stdio.h>
void fun(int n1,int n2,int*gct,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);
    ptintf("%d%d,gcd,lcm");
    return 0;
}