Sum of Digits in

Sum of Digits in C Program

#include<stdio.h>
main()
{
 int n,a=0;
 printf("Please enter a number: ");
 scanf("%d",&n);
 while(n>0)
 {
  a=a+n%10;
  n=n/10;
 }
 printf("Sum of digits is: %d",a);
}