using System;

public class Program

{

    public static void Main()

    {

        Version.TryParse("2111121407", out var package);

        Version.TryParse("2110082133", out var dependency);

        Console.WriteLine(package is null);

        Console.WriteLine(dependency is null);

        Version.TryParse("2111121407.0", out package);

        Version.TryParse("2110082133.0", out dependency);

        Console.WriteLine(package);

        Console.WriteLine(dependency);      

    }

}