package com.javabrahman.generaljava;
import java.util.Scanner;
public class ArmstrongNumberCheck {
  public static void main(String args[]) {
    //Input number to be tested
    Scanner scanner = new Scanner(System.in);
    String str = scanner.nextLine();
    //Convert number in String format to Long format
    long inputNo = Long.parseLong(str);
    //Call to method to count number of digits
    int digitCount = countNoOfDigits(inputNo);
    //call to method to calculate sum
    long sumOfDigits = calculateSum(inputNo, digitCount);
    if (inputNo == sumOfDigits) {
      System.out.println(inputNo + " is an Armstrong Number");
    } else {
      System.out.println(inputNo + " is NOT an Armstrong Number");
    }
  }
  /**
   * Method counts the number of digits of inputNo
   * @param inputNo
   * @return count of digits
   */
  public static int countNoOfDigits(long inputNo) {
    int count = 1;
    while ((inputNo = inputNo / 10) > 0) {
      count++;
    }
    return count;
  }
  /**
   * Method calculates the sum of digits
   * with each raised to the power of count of digits
   * @param inputNo
   * @param digitCount
   * @return sum of digits raised to power count of digits
   */
  public static long calculateSum(long inputNo, int digitCount) {
    long sum = 0;
    long num = inputNo;
    while (num > 0) {
      long remainder = num % 10;
      sum += Math.pow(remainder, digitCount);
      num = num / 10;
    }
    return sum;
  }
}