PROGRAM TO DETECT WHETHER ENTERED NUMBER IS DIVISIBLE BY 11

/***********************************************************************/
/* PROGRAM TO DETECT WHETHER ENTERED NUMBER IS DIVISIBLE BY 11         */
/* AUTHOR : DEEPAK MAHAKALE 3 YEAR IT SRCOEM                           */
/* BLOG : www.mahakaledeepak.blogspot.com                   */
/***********************************************************************/
#include<stdio.h>
#include<conio.h>
void main()
{

    long int r=0,i=1,odd=0,even=0,no,n,rev=0;
    clrscr();
    printf("\n\t PROGRAM TO DETECT WHETHER ENTERED NUMBER IS DIVISIBLE BY 11 ");
    printf("\n\n\t Enter any number : ");
    scanf("%ld",&n);
    no=n;

        while(no!=0)
       {
          
           r=no%10;
           rev=rev*10+r;
           no=no/10;

       }

       while(rev!=0)
       {

           r=rev%10;
           if(i%2==0)
           {
           even=even+r;
           }
           else
           {
           odd=odd+r;
           }
           rev=rev/10;
           i++;
       }

    printf("\n\t Odd  sum = %ld \n ",odd);
    printf("\n\t Even sum = %ld \n ",even);

    if(odd==even)
    printf("\n\t %ld Is Divisible by 11",n);
    else
    printf("\n\t %ld Is Not Divisible by 11",n);
    getch();

}