using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Dictionary<int,string> h = new Dictionary<int,string>();

        h.Add(1,"one");

        h.Add(2,"two");

        h.Add(3,"three");

        h.Add(4,"four");

        h.Add(5,"five");

        foreach (KeyValuePair<int,string> d in h)

        {

            Console.WriteLine(d.Key + " " + d.Value);

        }

        Console.WriteLine(h.ContainsKey(6));

        SortedDictionary<int,string> s = new SortedDictionary<int,string>();

        s.Add(5,"five");

        s.Add(4,"four");

        s.Add(2,"two");

        s.Add(1,"one");

        s.Add(3,"three");

        foreach (KeyValuePair<int,string> d in s)

        {

            Console.WriteLine(d.Key + " " + d.Value);

        }

        Console.WriteLine(s.ContainsValue("two"));

    }

}