using System;

namespace SMSSpam
{
    class Program
    {
        static void Main(string[] args)
        {
            string spam = Console.ReadLine();

            Console.WriteLine(spamPrice(spam.ToLower()));
            Console.ReadKey();
        }

        static int spamPrice (string spam)
        {
            int price = 0;

            foreach (char letter in spam)
            {
                price += LetterPrice(letter);
            }

            return price;

        }

        static int LetterPrice (char letter)
        {
            string charSet = "abcdefghijklmnopqrstuvwxyz*.,! ";

            return (charSet.IndexOf(letter) % 3) + 1;
        }
    }
}