using System;

public class Program

{

    public static void Main()

    {

         int n,r,sum=0,temp;

        Console.WriteLine("ARMSTRONG");

        Console.WriteLine("Enter the number");

        n=int.Parse(Console.ReadLine());

        temp=n;

        while(n>0)

        {

                r=n%10;

                sum=sum+(r*r*r);

                n=n/10;

            }

        if(temp==sum)

        {

            Console.WriteLine("Armstrong Number");

        }

        else

        {

            Console.WriteLine("Not a Armstrong Number =");

        }

    }

}