Finding the sum of the cubes of individual digits of a number

Program to find the cube of the individual digits of a number.

__________________________________

#include<iostream.h>

#include<conio.h>

void main()

{ 

   clrscr();

   int a,cube,sum=0,rem;

   cout<<"\nEnter the number: ";

   cin>>a;

   while(a>0)

     { rem=a%10;

       cube=a*a*a;

       sum+= cube;

       a/=10;

     }

   cout<<"\nThe cube sum of individual digits is: "<<sum;

   getch();

}