using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        if(false){

        //B obj1 = new A(); - шо за бубуйня? разобраться

//obj1.Foo();

B obj2 = new B();

obj2.Foo();

A obj3 = new B();

obj3.Foo();

        }

        if(false){

            List<Action> actions = new List<Action>();

for(var count=0; count<10; count++)

{

    actions.Add(() => Console.WriteLine(count));

}

foreach(var action in actions)

{

    action();

}

        }

        if(true){

            int i = 1;

object obj = i;

++i;

Console.WriteLine(i);

Console.WriteLine(obj);

Console.WriteLine((short)obj);

        }

    }

    class A

{

    internal virtual void Foo()

    {

        Console.WriteLine("Class A");

    }

}

class B: A

{

    internal override void Foo()

    {

        Console.WriteLine("Class B");

    }

}

    public struct S : IDisposable

{

    private bool dispose;

    public void Dispose()

    {

        dispose = true;

    }

    public bool GetDispose()

    {

        return dispose;

    }

}

}