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

public class Program
{
    public static void Main(string[] args)
    {
        new Magatro().Solve();
    }
}

class Magatro
{
    
    public void Solve()
    {
        var s = Console.ReadLine();
        int ans = s.Length;
        ans++;
        foreach(char c in s)
        {
            switch (c)
            {
                case '0':
                case '4':
                case '6':
                case '9':
                    ans++;
                    break;
                case '8':
                    ans += 2;
                    break;
            }
        }
        ans += s.Length;
        Console.WriteLine(ans);
    }
}