using System;

public class Program

{

    public static void Main()

    {

        bool a = false;

bool b = false;

bool c = true;

bool d = false;

​

if (a)  // a is true

{

    Console.WriteLine("Process B");

    Console.WriteLine("Process C");

    Console.WriteLine("Process D");

}

else    // a is false

{

    if (b)

    {

        Console.WriteLine("Process B");

    }

    if (c)

    {

        Console.WriteLine("Process C");

    }

    if (d)

    {

        Console.WriteLine("Process D");

    }

}

​

    }

}