using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       

        string input = "this is sparta";

        Dictionary<char, int> dict = new Dictionary<char, int>();

        foreach (char letter in input)

        {

            if (!dict.ContainsKey(letter))

            {

                dict[letter] = 1;

            }

            else

            {

                dict[letter] += 1;

            }

        }

        foreach (KeyValuePair<char, int> p in dict)

        {

            Console.WriteLine("There are/is {0} {1}", p.Value, p.Key);

        }

    }

}