using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        string sign = "attitude";

        var alphabetsCount = sign.GroupBy(x=> x)

                          .Select(x=>new 

                                    {

                                      Character = x.Key, 

                                      Count = x.Count()

                                    });

        foreach(var item in alphabetsCount)

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

    }

}