using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

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

        sl.Add("Universidade", 59);

        sl.Add("de", 95);

        sl.Add("Vila Velha", 72);

        Console.WriteLine("Sorted List");

        sl.Remove("de");

        foreach ( string s in sl.Keys)

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

        Console.WriteLine(sl.Count);

    }

}