C programme for addition of sum of digits

#include <stdio.h>

#include <conio.h>

void main()

{

int a,sum=0,n;

clrscr();

printf("enter a number");

scanf("%d",&n);

while(n>0)

{

a=n%10;

sum=sum+a;

n=n/10;

}

printf("%d",&sum);

getch();

}