static void Main(string[] args)
{
File f = new File("file_1.doc", 256);
Console.WriteLine(f.ToString());
Mp3 m = new Mp3("Music.mp3", 12);
Console.WriteLine(m.ToString());
Archive a = new Archive("Lab4.rar", 3);
Console.WriteLine(a.ToString());
Directory d = new Directory("Windows");
Console.WriteLine(d.ToString());
d.create(f);
d.create(f);
d.create(m);
d.create(a);
d.create(m);
d.create(m);
Console.WriteLine(d.ToString());
Console.WriteLine("Volume directory: " + d.GetVolume());
int x = d.KolAudio();
Console.WriteLine("Kolichestvo audio: " + x);
f.RunFile();
Directory d1 = new Directory("D1");
d1.create(f);
Console.WriteLine(d1.ToString());
d.create(d1);
Console.WriteLine(d.ToString());
}