using System;

using System.Linq;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        string sign = "attitude";

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

        foreach(var alphabet in sign)

        {

            if(dic.ContainsKey(alphabet))

                dic[alphabet] = dic[alphabet] +1;

            else

                dic.Add(alphabet,1);

        }

        foreach(var item in dic)

            Console.WriteLine("Alphabet :"+item.Key+", Count :"+item.Value);

    }

}