class Program
    {
        static void Main(string[] args)
        {

            var newPerson = new Person();
            newPerson.Age = 15;
            Console.WriteLine(newPerson.Age);
            newPerson.Name = "kasjdajskdksadjkasjkdaksjdkajkd";
            Console.WriteLine(newPerson.Name);
            var newWorker = new Worker();
            newWorker.Name = "doasjdjasdojaodoaodaoj";
            Console.WriteLine(newWorker.Name);
            newWorker.Salary = -100010;
            Console.WriteLine(newWorker.Salary);

        }
    }
}

 class Person
    {
        private int age;
        private string name;


        public Person()
        {

        }

        public Person(int age, string name)
        {
            this.Age = age;
            this.Name = name;
        }
        public virtual void SayHello()
        {
            Console.WriteLine($"Hello! My name is {Name}");
        }
        public int Age
        {
            get { return this.age; }
            set
            {
                try
                {
                    if (value < 18 || value > 60)
                    {
                        throw new ArgumentException();
                    }
                }
                catch(ArgumentException e)
                {
                    Console.WriteLine("Invalid age!");
                }
                this.age = value;
            }
        }
        public string Name
        {
            get { return this.name; }
            set
            {
                try
                {
                    if(value.Length>15)
                    {
                        throw new ArgumentException();
                    }

                }
                catch(ArgumentException e)
                {
                    Console.WriteLine("Invalid Name!");
                }
                this.name = value;

            }
        }
    }
}
class Worker : Person
    {
        private int tenure;
        private decimal salary;
        private int timeOff;


        public Worker()
        {

        }
        public Worker(int tenure, decimal salary, int timeOff) : base()
        {
            this.Tenure = tenure;
            this.Salary = salary;
            this.TimeOff = timeOff;
        }
        public override void SayHello()
        {
            Console.WriteLine($"Hello! I am a worker and my name is {Name}");
        }

        public int Tenure
        {
            get { return this.tenure; }
            set { this.tenure = value; }
        }
        public decimal Salary
        {
            get { return this.salary; }
            set
            {
                try
                {
                    if (value < 0)
                    {
                        throw new ArgumentException();
                    }
                }
                catch (ArgumentException e)
                {
                    Console.WriteLine("Salary can't be a negative number!");
                }
                this.salary = value;
            }
        }
        public int TimeOff
        {
            get { return this.timeOff; }
            set { this.timeOff = value; }
        }
    }
}