Sum of individual digit of a positive integer program in c

#include<stdio.h>

void main()

{
 int n,s=0,d;
 printf("Enter Any Positive Number(Integer): ");       
 scanf("%d",&n);             
 while(n!=0)
 {
  d=n%10;     
  s=s+d;     
  n=n/10;     
 }
 printf("The sum of the digits of given Number is %d\n",s);
}

Output1:
Enter Any Positive Number(Integer):145
The sum of the digits of given Number is 10
Output2:
Enter Any Positive Number(Integer):34567
The sum of the digits of given Number is 25