Program to find Sum of Digits of a Number

#include<stdio.h>

int main()
{
 printf("\n\n\t\tStudytonight - Best place to learn\n\n\n");

 int n, sum = 0, c, remainder;

     printf("Enter the number you want to add digits of:  ");
     scanf("%d", &n);

 while(n != 0)
     {
         remainder = n%10;
         sum += remainder;
         n = n/10;
     }

     printf("\n\nSum of the digits of the entered number is  =  %d\n\n", sum);
     printf("\n\n\n\n\t\t\tCoding is Fun !\n\n\n");
     return 0;
}

Output: