public class Profile
{
    string name;
    string id;
    DateTime hiredate;
    DateTime birthday;
    double salary;
    string position;
    Department department;

    public Profile(string name, string id, DateTime hiredate, DateTime birthday, string position, double salary)
    {
        this.name = name;
        this.id = id;
        this.hiredate = hiredate;
        this.birthday = birthday;
        this.salary = salary;
        this.position = position;
    }

    public void assignDept(Department department) => this.department = department;
    public string getID() { return id; }
    public double getSal() { return salary; }

    public string[] Data()
    {
        return new string[]
        {
            name,
            id.ToString(),
            birthday.ToShortDateString(),
            hiredate.ToShortDateString(),
            position,
            Convert.ToString(salary)
        };
    }

    public bool isCandidate()
    {
        TimeSpan difference = DateTime.Now.Subtract(hiredate);
        if ((difference.Days / 365) >= 20)
        {
            return true;
        }
        else
        {
            return false;
        }
    }
}
public class Department
{
    public string name;
    List<Profile> profiles;
    Profile depHead;

    public List<Profile> Profiles { get => profiles; set => profiles = value; }

    public Department(string name)
    {
        this.name = name;
        this.profiles = new List<Profile>();
    }

    public Department(string name, List<Profile> profiles)
    {
        this.name = name;
        this.profiles = profiles;
    }

    public Department(string name, List<Profile> profiles, Profile depHead)
    {
        this.name = name;
        this.profiles = profiles;
        this.depHead = depHead;
    }

    public void addHead(Profile newhead) => this.depHead = newhead;
    public int employeeCount() { return profiles.Count; }
    public void addProfile(Profile employee) => profiles.Add(employee);
}