using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace BagApplication
{
    class Program
    {
        public static Dictionary<string, int> Bag = new Dictionary<string, int> {
            {"A",9},{"B",2},{"C",2},{"D",4},{"E",12},{"F",2},{"G",3},{"H",2},{"I",9},
            {"J",1},{"K",1},{"L",4},{"M",2},{"N",6},{"O",8},{"P",2},{"Q",1},{"R",6},
            {"S",4},{"T",6},{"U",4},{"V",2},{"W",2},{"X",1},{"Y",2},{"Z",1},{"_",2}
        };

        static void Main(string[] args)
        {
            Console.WriteLine("Bag Program thing");
            RemoveFromBag("AXHDRUIOR_XHJZUQEE");

            //Used so the CMD window stays to see output
            Console.ReadLine();
        }

        static void PrintBag(){
            for (int B = 12; B+1 > 0; B-=1){
                List<string> Letters = new List<string>();
                var Matches = Bag.Where(kvp => kvp.Value == B).ToList();
                if (Matches.Count > 0)
                {
                    string AllLetters = "";
                    AllLetters = string.Join(",", Matches.Select(item => item.Key.ToString()));
                    Console.WriteLine(B + ":" + AllLetters);
                }
            }
        }

        static void RemoveFromBag(string Input){
            for (int I = 0; I < Input.Length; I++){
                int Count = Bag[Input[I].ToString()];
                Bag[Input[I].ToString()] = Count - 1;
                if ((Count - 1) < 0){
                    Console.WriteLine("Invaild Output. More " + Input[I].ToString() + "'s taken from the bag then possible.");
                    return;
                }
            }
            PrintBag();
        }

    }
}