sum of 2 variables using pointers

/* sum of two variables using pointers */

#include<conio.h>
#include<stdio.h>
int main()
{
	int a,b,*ptr1,*ptr2,sum=0;
	clrscr();
	ptr1=&a;
	ptr2=&b;
	printf("Enter values of a and b:\n");
	scanf("%d%d",&a,&b);
	sum=*ptr1 + *ptr2;
	printf("Sum of a & b is %d",sum);
	getch();
	return 0;
}