using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("enter a number:");

        string num = Console.ReadLine();

        if (int.TryParse(num, out int result))

        {

            if (result % 2 == 0)

            {

                Console.WriteLine("Even");

            }

            else

            {

                Console.WriteLine("Odd");

            }

        }

        else

        {

            Console.WriteLine("Invalid input. try again.");

        }

        if (int.TryParse(num, out result))

        {

            if (result > 0)

                Console.WriteLine("positive");

            else if (result < 0)

                Console.WriteLine("negative");

            else

                Console.WriteLine("zero");

            }

        else

        {

            Console.WriteLine("invalid intput. try again.");

        }

    }

}