02.Numerology

using System;

class Numerology
{
    static void Main()
    {
        string[] input = Console.ReadLine().Split('.', ' ');

        int day = int.Parse(input[0]);
        int month = int.Parse(input[1]);
        int year = int.Parse(input[2]);
        string username = input[3];

        long result = day * month * year;

        if (month % 2 == 1)
        {
            result *= result;
        }

        for (int i = 0; i < username.Length; i++)
        {
            char currentChar = username[i];

            if (currentChar >= '0' && currentChar <= '9')
            {
                result += currentChar - '0';
            }
            else if (currentChar >= 'a' && currentChar <= 'z')
            {
                result += currentChar - 'a' + 1;
            }
            else if (currentChar >= 'A' && currentChar <= 'Z')
            {
                result += 2 * (currentChar - 'A' + 1);
            }
        }

        while (result > 13)
        {
            int digitSum = 0;

            while (result > 0)
            {
                digitSum += (int)(result % 10);
                result /= 10;
            }

            result = digitSum;
        }

        Console.WriteLine(result);
    }
}