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

class CalcProblem23
{
    static char system(long b)
    {
        return ((char)(b + 97));
    }

    static long sumOf(string a)
    {
        long sum = 0;
        for (int i = 0; i < a.Length; i++)
        {
            if (i + 1 == a.Length)
            {
                sum += a[i] - 'a' * 1;
            }
            else
            {
                sum += (long)(a[i] - 'a') * (long)Math.Pow(23, a.Length - i - 1);
            }
        }
        return sum;
    }
     static void toChar(long sum) {
        int pos = 0;
        List<char> b = new List<char>();
        while (true)
        {
            b.Add(system(sum % 23));
            sum = sum / 23;
            pos++;
            if (pos + 1 > 10 || sum < 1)
            {
                break;
            }
        }
        b.Reverse();

        foreach (var item in b)
        {
            Console.Write(item);
        }


    }

    static void Main(string[] args)
    {
        string[] words = Console.ReadLine().Split(' ');
        long sum = 0;
        foreach (var item in words)
        {
            sum+=sumOf(item);
        }
        toChar(sum);
        Console.Write(" = {0}",sum);

    }
}