using System;

​

public class Program

{

    abstract class Person

    {

        private string name;

        private int age;

        public string Name

        {

            set { name = value; }

            get { return name; }

        }

        public int Age

        {

            set { age = value; }

            get { return age; }

        }

        public Person(string name, int age)

        {

            this.name = name;

            this.age = age;

        }

    class European : Person

    {

        public European(string name, int age) : base(name,age)

        {}

    }

    public static void Main(string[] args)

    {

        Person person = new European("Lubomir", 17);

        Console.WriteLine(person.Name);

        Console.WriteLine(person.Age);

    }

}

}