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

namespace phrase
{
    class Program
    {
        static int First(string input, string[]array)
        {
            int col = Convert.ToInt32(input.Length);
            if (col>0&&col<=1000)
            {
                int countArr = 0,countStr = 0,c = Convert.ToInt32(array.Length),count = 0,indexStr=0;
                for (; countArr < c; countArr++)
                {
                    for (; (indexStr = input.IndexOf(array[countArr], countStr)) !=-1; countStr = indexStr + 1)
                    {
                        count++;
                    }
                    countStr = 0;
                }
                return count;
            }
            return 0;
        }
        static void Main(string[] args)
        {
            string[] one = new string[] { "a", "d", "g", "j", "m", "p", "s", "v", "y", ".", " " };
            string[] two= new string[] { "b", "e", "h", "k", "n", "q", "t", "w", "z", "," };
            string[] three = new string[] { "c", "f", "i", "l", "o", "r", "u", "x", "!" };
            string input = Console.ReadLine();
            int a = First(input,one);
            int b = First(input,two);
            int c = First(input,three);
            Console.WriteLine(a+(b*2)+(c*3));
        }
    }
}