using System;

class Program
{
    static void Main()
    {
        string input = Console.ReadLine();
        string[] inputStr = input.Split(' ');
        DateTime date = DateTime.Parse(inputStr[0]);
        string username = inputStr[1];
        int day = date.Day;
        int month = date.Month;
        int year = date.Year;
        long mult = day * month * year;
        if (month % 2 != 0)
        {
            mult = mult * mult;
        }
        long sum = mult;
        foreach (var item in username)
        {
            int num;
            if (item >= '0' && item <= '9')
            {
                sum = sum + item - '0';
            }
            else
            {
                num = getCHarVal(item);
                sum = sum + num;
            }
        }
        while (sum > 13)
        {
            sum = SplitSum(sum);
        }
        Console.WriteLine(sum);
    }
    static int getCHarVal(char ch)
    {
        int num = 0;
        char cU = 'A';
        char c = 'a';
        if (Char.IsLower(ch))
        {
            num = ch - c + 1;
        }
        else
        {
            num = 2 * (ch - cU + 1);
        }
        return num;
}
    static long SplitSum(long sum)
    {
        int sum1 = 0;
        string str = Convert.ToString(sum);
        foreach (var item in str)
        {
            sum1 = sum1 + (int)Char.GetNumericValue(item);
        }
        return sum1;
    }
}