using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Tour t1 = new Tour("Paris", 3400, 3);

        Tour t2 = new Tour("London", 3200, 3);

        Tour t3 = new Tour("Munich", 3100, 2);

        Tour t4 = new Tour("Milan", 3500, 3);

        Console.WriteLine(t1);

        Console.WriteLine(t2);

        Console.WriteLine(t3);

        Console.WriteLine(t4);

    }

    class Tour

    {

        private string name;

        private int cost;

        private int duration;

        public List<string> places = new List<string>();

        public string Name

        {

            get

            {

                return name;

            }

        }

        public int Cost

        {

            get

            {

                return cost;

            }

        }

        public int Duration

        {

            get

            {

                return duration;

            }

        }

        public Tour(string name, int cost, int duration)

        {

            this.name = name;

            this.cost = cost;

            this.duration = duration;

        }

        public override string ToString()

        {

            return "Name: " + name + " | Cost: " + cost.ToString() + " | Duration: " + duration.ToString();

        }

    }

    abstract class Person

    {

        public string name;

        public string address;

        public Person(string name, string address)

        {

            this.name = name;

            this.address = address;

        }

    }

    class Customer : Person

    {

        private string id;

        public string Id

        {

            get

            {

                return id;

            }

        }

        public Customer(string name, string address, string id)

            : base(name, address)

        {

            this.id = id;

        }

    }

    class TourGuide : Person

    {

        public double salary;

        public TourGuide(string name, string address, double salary)

            : base(name, address)

        {

            this.salary = salary;

        }

    }

}