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

namespace _1
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] catNumbersDict = new string[23];
            for (int i = 0; i < catNumbersDict.Length; i++)
            {
                catNumbersDict[i] = ((char)(97 + i)).ToString();
            }
            string[] numbers = Console.ReadLine()
                .Split(new char[] { ' ', ',' }, StringSplitOptions.RemoveEmptyEntries);

            var numbersIn23th = new List<List<int>>();

            // get the numbers in 23th system
            for (int j = 0; j < numbers.Length; j++)
            {
                string currentMewNum = numbers[j];
                // for every mew number
                var numIn23 = new List<int>();
                foreach (var digit in currentMewNum)
                {
                    for (int k = 0; k < catNumbersDict.Length; k++)
                    {
                        if (digit.ToString() == catNumbersDict[k])
                        {
                            numIn23.Add(k);
                        }
                    }
                }
                numbersIn23th.Add(numIn23);
            }
            // Console.WriteLine(string.Join("!", numbersIn23th));
            var numbersInDecimal = new List<int>();
            int numberInDecimal = 0;
            for (int curNum = 0; curNum < numbersIn23th.Count; curNum++)
            {
                 for (int currDigit = 0; currDigit < numbersIn23th[curNum].Count; currDigit++)
                 {
                int pow = numbersIn23th[curNum].Count - currDigit - 1;
                int curentDigit = numbersIn23th[curNum][currDigit];
                numberInDecimal += curentDigit * (int)Math.Pow(23, pow);
                 }
                numbersInDecimal.Add(numberInDecimal);
                numberInDecimal = 0;
            }

            //sum in decimal
            int sumDec = 0;
            for (int i = 0; i < numbersInDecimal.Count; i++)
            {
                sumDec += numbersInDecimal[i];
            }
            //convert the sum in 23th system
            string result = DecimalToAny(23, sumDec);
            Console.WriteLine("{0} = {1}", result, sumDec);
        }
        private static string DecimalToAny(int d, int decimalResult)
        {
            string result = string.Empty;
            if (decimalResult == 0) result = "0";
            while (decimalResult > 0)
            {

                int remainder = decimalResult % d;

                    result += (char)((remainder + 97));

                decimalResult /= d;

            }
            var reverseResult = result.ToCharArray().Reverse();
            return string.Join("", reverseResult);
        }

    }
}