using System;

public class Program

{

    public static void Main()

    {

    }

    // NADRUK START

    public class Wojciech : Bartosz

    {

        public override string FirstName 

        { 

            get { return "Wojciech"; } 

        }

        public override string Lastname 

        { 

            get { return base.Surname; } 

        }

        public override DateTime BirthDate 

        { 

            get { return new DateTime(2016, 2, 20); } 

        }

        public new Parent Mom 

        { 

            get { return new Parent("Magdalena"); } 

        }

        public new Parent Dad 

        { 

            get { return new Parent("Bartosz"); } 

        }

        void OnBorn()

        {

            var wakeUpService = DependencyResolver.GetService<IWakeUpParent>();

            do

            {

                wakeUpService.Execute(targets: new[] { Mom, Dad });

                Sleep(1.5 * Hour);

            } 

            while (BirthDate.AddYears(1) > DateTime.Now);

        }

​

    }

    // NADRUK END

    public static class DependencyResolver

    {

        public static IWakeUpParent GetService<IWakeUpParent>()

            where IWakeUpParent: class

        {

            return (IWakeUpParent)null;

        }

    }

    public class Bartosz

    {

        public virtual string FirstName { get { return "Raczek"; } }

        public virtual string Surname { get { return "Raczek"; } }

        public void Sleep(double hours){}

        public virtual DateTime BirthDate 

        { 

            get { return new DateTime(); } 

        }

        public const int Hour = 1;

        public virtual Parent Mom 

        { 

            get { return new Parent("Mom"); } 

        }

        public virtual Parent Dad 

        { 

            get { return new Parent("Dad"); } 

        }

    }

    public class Parent

    {

        public Parent(string name){}

    }

    public interface IWakeUpParent

    {

        void Execute(Parent[] targets);

    }

}