C Program to calculate Amstrong number.?

/* Armstrong number */                                                                    

#include<stdio.h>

#include<conio.h>

main()

{

    int n,d,s=0,k;

    printf("\n enter the value");

    scanf("%d",            &n);

    k=n;

    while(n!=0)

    {

     d=n%10;

     n=n/10;

     s=s+(d*d*d);

    }

    if(k==s)

      printf("\n it is armstrong");

    else

      printf("\n it is not armstrong");

    getch();

}