Problem Statement 
 A positive integer is called a mega cool number if its digits form an arithmetic progression. An arithmetic progression is a sequence of numbers in which the difference between any two consecutive numbers is the same. Return the number of mega cool numbers between 1 and N, inclusive.


Definition 
 Class:  MegaCoolNumbersEasy  Method:  count  Parameters:  int  Returns:  int  Method signature:  int count(int N)  (be sure your method is public) 




Constraints 
  N will be between 1 and 1,000, inclusive. 

Examples 
0)  
  Returns: 1  The only mega cool number not greater than 1 is 1. 


1)  
  Returns: 99  All numbers between 1 and 99 are mega cool. 


2)  
 