using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        List<int> ageGroups = [4, 8, 12, 16]; 

        var company = new Company();

        // - employees may or may not have children

        // - children should be grouped within their age groups acording to rule ageGroup(+2, -1) years.

        // - each kid should get present at adress where their parent lives

    }

}

​

​

public class Company {

    public List<Employee> Employees;

} 

​

​

public class Employee {

    public string FullName;

    public string Department;

    public List<Child>? Children;

    public string Address;

}

​

​

public class Child {

    public string Name;

    public int Age;

}