//program to test armstrong number
#include <stdio.h>
#include <conio.h>
#include <math.h>

void main()
{
 int n,dig,sum=0,temp;
 clrscr();
 printf("Enter a number:");
 scanf("%d",&n);
 temp=n;
 while(temp!=0)
 {
  dig=temp%10;
  sum=sum+pow(dig,3);
  temp=temp/10;
 }
 if(sum==n)
 {
  printf("nn%d is armstrong",n);
 }
 else
 {
  printf("nn%d is not armstrong",n);
 }
 getch();

}