using System;

class Student : Person
{
    public string Faculty { get; }
    public int Course { get; }

    public Student(string lastName, DateTime birthDate, string faculty, int course)
        : base(lastName, birthDate)
    {
        Faculty = faculty;
        Course = course;
    }

    public override void Show()
    {
        Console.WriteLine("Студент: {0}, факультет: {1}, курс: {2}, возраст: {3}", LastName, Faculty, Course, Age());
    }
}