using System;

using System.Collections.Generic;

​

public class Name

{

    public string LastName {get; set;}

    public Name(string lastname)

    {       

        LastName = lastname;

    }

}

​

public class Gender

{

    public char Sex {get; set;}

    public Gender (char sex)

    {

        Sex = sex;

    }       

}

​

​

public class Children

{

    public Name Name {get; set;}

    public Gender Gender {get; set;}

    public int Age {get; set;}

    public void CommentOnAge()

    {

        if (Age  < 1)

        {

            string AgeInfo = "Infant";

            Console.WriteLine(AgeInfo);

        }

        if ((Age = 1) && (Age < 3))

        {

            string AgeInfo = "Nurseryman";

            Console.WriteLine(AgeInfo);

        }

        if ((Age = 3) && (Age < 7))

        {

            string AgeInfo ="Preschooler";

            Console.WriteLine(AgeInfo);

        }

        if ((Age = 7) && (Age < 18))

        {

            string AgeInfo ="School child";

            Console.WriteLine(AgeInfo);

        }

    }

}

​

public class Girl: Children

{

    public Girl ()

    {

        Gender gender = new Gender('F');

    }

    public void showGenderF()

    {

        Console.WriteLine("This child is a girl");

    }

}

​

public class Boy: Children

{

    public Boy()

    {

        Gender gender = new Gender('M');

    }

    public void showGenderW()

    {

        Console.WriteLine("This child is a boy");

    }

}

​

public class Parents : Children

{

    public string Position {get; set;}

    public int Salary {get; set;}

    public string WorkPlace {get; set;}

    public Parents(string position, int salary, string workplace)

    {

        Position = position;

        Salary = salary;

        WorkPlace = workplace;

    }

    public void showInfoParents()

    {

        if (( Position == null) || (Salary == 0) || ( WorkPlace == null))

        {

        Console.WriteLine("Those parents are unemployed and need support");

        }

        else

        {

        Console.WriteLine("Workplace: "+ WorkPlace);

        Console.WriteLine("Position: "+ Position);

        Console.WriteLine("Salary: "+ Salary);  

        }

    }

}

​

public class SingleMother : Children

{

  public string Position {get; set;}

  public int Salary {get; set;}

  public bool hasFamiliAllowance {get; set;}

  public SingleMother (string position,bool HasFamiliAllowance)

  {

    Position = position;

    HasFamiliAllowance = hasFamiliAllowance;

  }

  public void showSingleMotherInfo()

  {

    Console.WriteLine("Position: "+ Position + "; Salary: " + Salary);

  }

  public void checkFamiliAllowance ()

  {

    if (hasFamiliAllowance)

    {

        Console.WriteLine("This Single Mother has Famili Allowance");

    }

    else

    {

        Console.WriteLine("This Single Mother doesn't have Famili Allowance and need support");

    }

  }

}

​

public class SingleFather : Children

{

  public string Position {get; set;}

  public int Salary {get; set;}

  public bool HasFamiliAllowance {get; set;}

  public SingleFather (string position, bool hasFamiliAllowance)

  {

    Position = position;

    HasFamiliAllowance = hasFamiliAllowance;

  }

  public void showSingleFatherInfo()

  {

    Console.WriteLine("Position: "+ Position + "; Salary: " + Salary);

  }

  public void checkFamiliAllowance ()

  {

    if (hasFamiliAllowance)

    {

        Console.WriteLine("This Single Father has Famili Allowance");

    }

    else

    {

        Console.WriteLine("This Single Father doesn't have Famili Allowance and need support");

    }

  }

}

​

public class Orphan : Children

{

  public string ChildCareHome {get; set;}

  public string FosterFamily {get; set;}

  public Orphan(string childCareHome, string fosterFamily)

  {

    ChildCareHome = childCareHome;

    FosterFamily = fosterFamily;

  }

  public void checkChildCareHome ()

  {

    if ((ChildCareHome != null) && (FosterFamily == null))

    {

        Console.WriteLine("This child lives in Child Care Home.");

    }

    else

    {

        Console.WriteLine("This child lives with Foster Family.");

    }

  }

}

​

public class Program

{

    public static void Main()

    {

        //creation the object of Children class - age of 2 and shows comment on age

        Console.WriteLine("2 Years old child");

        Children children = new Children();

        children.Age = 2;

        children.CommentOnAge();

        //creation of the object of Parents class; Parents inherits after Children

        Console.WriteLine();

        Console.WriteLine("This parent is a cook");

        Parents parents = new Parents ("Cook", 2000, "Restaurant");

        parents.Age = 3;

        parents.showInfoParents();

        parents.CommentOnAge();

        //creation of the object of SingleMother class; SingleMother inherits after Children

        Console.WriteLine();

        Console.WriteLine("This single mother doesn't need support");

        SingleMother singleMother = new SingleMother ("Tester", "Yes");

        singleMother.showSingleMotherInfo();

        singleMother.Age = 3;

        singleMother.checkFamiliAllowance();

    }

}

​