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

class Program
{
    public void Proc()
    {
        Reader.IsDebug = false;
        int[] inpt = Reader.ReadLine().Select(a => int.Parse(a.ToString())).ToArray();

        long ans = 1;
        foreach(int num in inpt) {
            switch(num) {
                case 1:
                case 2:
                case 3:
                case 5:
                case 7:
                    ans+=2;
                    break;
                case 0:
                case 4:
                case 6:
                case 9:
                    ans+=3;
                    break;
                default:
                    ans+=4;
                    break;
            }
        }
        Console.WriteLine(ans);

    }



    public class Reader
    {
        public static bool IsDebug = true;
        private static String PlainInput = @"


1046928



";
        private static System.IO.StringReader Sr = null;
        public static string ReadLine()
        {
            if (IsDebug)
            {
                if (Sr == null)
                {
                    Sr = new System.IO.StringReader(PlainInput.Trim());
                }
                return Sr.ReadLine();
            }
            else
            {
                return Console.ReadLine();
            }
        }
    }
    static void Main()
    {
        Program prg = new Program();
        prg.Proc();
    }
}