using System;

class Program

{

    class SampleClass

    {

        /*

        public int x;

        private int y;

        public void assign(int a, int b)

        {

            x = a + 1;

            y = b;

        }

        */

        // public string Value { get; set; }

        public int Price { get; set; }

    }

    public static void AlterString(string month) { month = "February"; }

    public static void AlterArray(string[] holidays) { holidays[1] = "3"; }

    static void Main()

    {

        /*

        int x = 8;

        int b = 16;

        int c = 64;

        x /= c /= b;

        Console.WriteLine(x + " " + b + " " + c);

        */

        /*

        SampleClass s = new SampleClass();

        s.assign(1, 1);

        Console.WriteLine(s.x + " " + s.y);

        */

        /*

        String string1 = "birthday";

        String string2 = "party";

        String string3 = string2;

        Console.WriteLine((string3 == string2) + " " + string2.Equals(string3));

        */

        /*

        try

        {

            try

            {

                SampleClass s = null;

                var value = s.Value;

            }

            catch(NullReferenceException ex)

            {

                Console.WriteLine($"Local: NullReferenceException");

                throw;

            }

            catch(Exception ex)

            {

                Console.WriteLine($"Local: Exception");

            }

            finally

            {

                Console.WriteLine($"Local: finally");

            }

            Console.WriteLine($"Global: End of try");

        }

        catch(Exception e)

        {

            Console.WriteLine($"Global: {e.GetType().Name}");

        }

        */

        /*

        string month = "January";

        AlterString(month);

        Console.WriteLine(month);

        string[] holidays = new[] { "2", "5" };

        AlterArray(holidays);

        Console.WriteLine(holidays[0] + " " + holidays[1]);

        */

    }

}