Program to find enter number Armstrong or not

/*Program to find enter number Armstrong or not*/

#include<conio.h>

#include<stdio.h>

void main()

{

int sum=0,n,x,r;

clrscr();

printf("Enter any number:");

scanf("%d",&n);

x=n;

while(n>0)

{

r=n%10;

sum=sum+r*r*r;

n=n/10;

}

if(sum==x)

printf("Armstrong number");

else

printf("is not a armstrong number");

getch();

}