using System;
using System.Linq;

class MathProblems
{

    static char[] system = new char[19];
    static void Main()
    {
        string[] input = Console.ReadLine().Split(' ');


        for (int i = 0; i < 19; i++)
		{
            system[i] = (char)(97 + i);
		}
        long number = 0;
        for (int i = 0; i < input.Length; i++)
        {
            for (int j = 0; j < input[i].Length ; j++)
            {
                int temp = Array.IndexOf(system, input[i][j]);
                number += temp * Power(19, input[i].Length - 1 - j);
            }
        }
        char[] a = ToText(number, 19);
        for (int i = a.Length - 1; i >= 0; i--)
        {
            if (a[i] != ' ')
	        {
                Console.Write(a[i]);
	        }
        }
        Console.WriteLine(" = " + number);
    }
    static int Power(int number, int power)
    {
        int result = 1;
        for (int i = 0; i < power; i++)
        {
            result *= number;
        }
        return result;
    }
    static char[] ToText(long number, int ToBase)
    {
        char[] text = new char[number.ToString().Length];

        int i = 0;
        while (number > 0)
        {
            long temp = number % ToBase;
            text[i] = system[temp];
            number /= 19;
            i++;
        }
        return text;
    }
}