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

namespace ASCII
{
    class Program
    {
        static void Main(string[] args)
        {
            int a = int.Parse(Console.ReadLine());

            int sumDigits = (Convert.ToInt32(0));
            int sumSmallLetters = (Convert.ToInt32(0));
            int sumBigLetters = (Convert.ToInt32(0));
            int sumSymbols = (Convert.ToInt32(0));

            string digits = null;
            string bigLetters = null;
            string smallLetters = null;
            string symbols = null;



            for (int i = 0; i < a; i++)
            {
                char letter = char.Parse(Console.ReadLine());

                int incomeLetter = (Convert.ToInt32(letter));


                if (incomeLetter >= '0' && incomeLetter <= '9')
                {
                    sumDigits += incomeLetter;
                    digits += letter;

                }
                else if (incomeLetter >= 'a' && incomeLetter <= 'z')
                {
                    sumSmallLetters += incomeLetter;
                    smallLetters += letter;
                }
                else if (incomeLetter >= 'A' && incomeLetter <= 'Z')
                {
                    sumBigLetters += incomeLetter;
                    bigLetters += letter;

                }
                else
                {
                    sumSymbols += letter;
                    symbols += letter;
                }

            }
            if (sumDigits >= sumSmallLetters && sumDigits >= sumBigLetters && sumDigits >= sumSymbols)
            {
                Console.WriteLine($"Biggest ASCII sum is:{sumDigits}");
                Console.WriteLine($"Combination of characters is:{digits}");
            }

            else if (sumSmallLetters >= sumBigLetters && sumSmallLetters >= sumSymbols)
            {
                Console.WriteLine($"Biggest ASCII sum is:{sumSmallLetters}");
                Console.WriteLine($"Combination of characters is:{smallLetters}");
            }

            else if (sumBigLetters >= sumSymbols)
            {
                Console.WriteLine($"Biggest ASCII sum is:{sumBigLetters}");
                Console.WriteLine($"Combination of characters is:{bigLetters}");
            }

            else
            {
                Console.WriteLine($"Biggest ASCII sum is:{sumSymbols}");
                Console.WriteLine($"Combination of characters is:{symbols}");
            }

        }
    }
}