Odd or Even

using System;

class Program
{
    static void Main()
    {
        long number;
        string input;

        do
        {
            Console.Write("Enter a valid type long number: ");
            input = Console.ReadLine();

        } while (!long.TryParse(input, out number));

        if (number % 2 == 0)
        {
            Console.WriteLine("The number is even");
        }
        else
        {
            Console.WriteLine("The number is odd");
        }
    }
}