using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        List<Beach> beaches = new List<Beach>();

        beaches.Add(new Beach("a",1));

        beaches.Add(new Beach("b",2));

        beaches.Add(new Beach("b2",2));

        beaches.Add(new Beach("b3",2));

        beaches.Add(new Beach("b4",2));

        beaches.Add(new Beach("c",3));

        beaches.Add(new Beach("d",4));

        beaches.Add(new Beach("d",4));

        beaches.Add(new Beach("d",2));beaches.Add(new Beach("d",4));

        beaches.Add(new Beach("d",4));beaches.Add(new Beach("d",4));

        beaches.Add(new Beach("d",4));beaches.Add(new Beach("d",4));

        double averageBeachRating = GetBeachAverage(beaches);

        //show user the average beach rating

        Console.WriteLine("The average beach rating for our beaches is " + " " + averageBeachRating);

        //ask user what beaches they would like by filtering via a ratin 1 to 4

        Console.WriteLine("What beaches would you like to see please enter a rating between 1 and 4");

        int filterRating = Convert.ToInt32(Console.ReadLine());

        GetBeachesByRating(filterRating,beaches);

    }

    public static float GetBeachAverage(List<Beach> beachData) 

    {

        int total = 0;

        foreach(Beach b in beachData) 

        {

            total += b.Rating;

        }

        return total / beachData.Count;

    }

    public static void GetBeachesByRating(int rating,List<Beach>  beachData) 

    {

        List<string> filteredBeaches = new List<string>();

        for(int i = 0; i < beachData.Count; i++) 

        {

            if(beachData[i].Rating ==  rating) 

            {

                filteredBeaches.Add(beachData[i].Name);

;           }

        }

        foreach(string name in filteredBeaches) 

        {

            Console.WriteLine(name);

        }

    }

    public class Beach

    {

      int rating;

      string name;

      public int Rating 

      {

          get { return rating; }

          set { rating = value; }

      }

      public string Name 

      {

          get { return name; }

          set { name = value; }

      }

      public Beach(string name, int rating) 

      {

        this.name = name;

        this.rating  = rating;

      }

    }

}