Sum of the digits of 5 digit number

/* Program to find the sum of the digits of a 5 digit number */

#include<stdio.h>

#include<conio.h>

#include<stdlib.h>   //____ Header file included for system("cls") _____

int check_five(int number);

int main()

{

       int number = 0, sum = 0, remainder = 0, temp = 0, check = 0;

       while(check != 1)

       {

              system("cls");

              printf("\n    __ Program to calculate the sum of the digits of 5 digit number ___");

      

              printf("\n\n\n  Enter the Number - ");

              scanf("%d",&number);

              check = check_five(number);

              if (check == 0)

              {

                     //__ Error Message____

                     printf("\n\n\t\t____ 5 digit number is required ____");

                     printf("\n\n\n  Press Enter to Continue....");

                     while(getch() != 13)

                     {

                     }

              }

       }

             

       temp = number;

       while(temp != 0)

       {

              remainder = temp % 10;

              temp = temp / 10;

              sum = sum + remainder;

              //___ finding the sum of the digits ____

       }

       printf("\n\n  The sum of the digits of number %d is %d", number, sum);

       getch();

       return 0;

}

int check_five(int number)

{

       int remainder = 0, counter = 0;

       while(number != 0)

       {

              remainder = number % 10;

              number = number / 10;

              counter++;

       }

       if (counter == 5)   

             

       /*___ Change 5 to make this program for any digit number, but do check the value of integer

       before doing that */

       {

              return 1;

       }

       else

       {

              return 0;

       }

}