using System.Collections.Generic;

using System;

public class Program

{

    public static void Main()

    {

    }

​

    public static Dictionary<string, int> GetWordsFrequencyCount(string text)

    {

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

​

        string[] words = text.Split(' ');

​

        for (int i = 0; i < words.Length; i++)

        {

            string lowered = words[i].ToLower();

            if (wordsFrequency.ContainsKey(lowered))

            {

                int count;

                wordsFrequency.TryGetValue(lowered, out count);

​

                wordsFrequency.Remove(lowered);

                wordsFrequency.Add(lowered, count + 1);

            }

            else

            {

                wordsFrequency.Add(lowered, 1);

            }

        }

​

        return wordsFrequency;

    }

    public static Dictionary<int, int> GetWordsLengthFrequencyCount(string text)

    {

        Dictionary<int, int> lengthFrequency = new Dictionary<int, int>();

​

        string[] words = text.Split(' ');

​

        for (int i = 0; i < words.Length; i++)

        {

            if (lengthFrequency.ContainsKey(words[i].Length))

            {

                int count;

                lengthFrequency.TryGetValue(words[i].Length, out count);

​

                lengthFrequency.Remove(words[i].Length);

                lengthFrequency.Add(words[i].Length, count + 1);

            }

            else

            {

                    lengthFrequency.Add(words[i].Length, 1);

            }

        }

​

        return lengthFrequency;

    }

}