using System;

public class Program

{

    public static void Main()

    {

        int num;

        Console.WriteLine("enter a num");

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

        if(num>=1000 && num<= 9999 && num/1000!=9 && num/100%10 !=9 && num/10%100 != 9 && num%10 !=9 && num/1000!=9 && num/100%10 !=9 && num/10%100 != 9 && num%10 !=9 && num%2 !=0)

        {

            Console.WriteLine("a special series");

        }

        else {

            Console.WriteLine(" not a special series");

        }

    }

}