using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        SortedList<string,int>  sl = new SortedList<string,int>();

        sl.Add("Solo",59);

        sl.Add("A",95);

        sl.Add("Learn",72);

        sl.Remove("A");

        Console.WriteLine("Sorted List: ");

        foreach(string s  in sl.Keys)

        {

            Console.WriteLine(s + ": " + sl[s]);

        }

        Console.WriteLine("\nCount:" + sl.Count);

    }

}