Write a program to sum of digits of a given number. e.g. If the input is 158 then output will be 14.

#include<stdio.h> int main()  {   int   n, a, sum=0;   printf( "Enter a integer number: " );   scanf( "%d" , &n);   while(n%10!=0)          {        a=n%10;        n=n/10;        sum=sum+a;         }   printf( "\nSum of the digit: %d" , sum);       return 0; }