/* Program to find sum of digits of a 5 digit number, with recursion */
/* Problem 12 (b) */

#include <stdio.h>
#include <conio.h>

int fun(long n)
{
static int sum;
sum = 0;
if (n >= 10)
	return sum + (n % 10) + fun(n / 10);
else
	return n;
}

main()
{
long num;
clrscr();
printf("Please enter a 5 digit number : ");
scanf("%ld",&num);
printf("\nThe sum of digits of the number %ld is %d",num,fun(num));
printf("\n\nPress any key to exit...");
getch();
}