EncodedAnswers

using System;
using System.Linq;
using System.Collections.Generic;
namespace EncodedAnswers
{
	class Program
	{
		public static void Main(string[] args)
		{
			var n = int.Parse(Console.ReadLine());
			var countA = 0;
			var countB = 0;
			var countC = 0;
			var countD = 0;
			List<char> letters = new List<char>();
			for(var i = 1; i <= n; i++)
			{
				long answers = long.Parse(Console.ReadLine());
				if(answers % 4 == 0)
				{
					countA++;
					letters.Add('a');
				}
				if(answers % 4 == 1)
				{
					countB++;
					letters.Add('b');
				}
				if(answers % 4 == 2)
				{
					countC++;
					letters.Add('c');
				}
				if(answers % 4 == 3)
				{
					countD++;
					letters.Add('d');
				}
			}
			foreach (var elements in letters) {
				Console.Write("{0} ", elements);
			}
			Console.WriteLine();
			Console.WriteLine("Answer A: {0}", countA);
			Console.WriteLine("Answer B: {0}", countB);
			Console.WriteLine("Answer C: {0}", countC);
			Console.WriteLine("Answer D: {0}", countD);
			Console.Write("Press any key to continue . . . ");
			Console.ReadKey(true);
		}
	}
}