using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;
 
class Program
{
    static void Solve()
    {
        var a = sc.Int(5);

        var cnt = 0;

        foreach(var an in a) {
            if (an % 3 == 0)
                cnt += 4;
            if (an % 5 == 0)
                cnt += 4;
            if (an % 3 != 0 && an % 5 != 0)
                cnt += an.ToString().Length;
        }

        pr.WriteLine(cnt);
    }
 
    static void Main(string[] args)
    {
        // pr.AutoFlush = true;
        Solve();
        pr.Flush();
    }
 
    static Scanner sc = new Scanner();
    static Printer pr = new Printer();
}
 
#region IO
class Scanner
{
    private int _i = 0; 
    private string[] line = new string[0];
 
    private T[] Enumerate<T>(int n, Func<T> f)
    {
        T[] ret = new T[n];
        for (int i = 0; i < n; i++)
            ret[i] = f();
        return ret;
    }
 
    public string Str()
    {
        if (line.Length <= _i)
        {
            line = Console.ReadLine().Split(' ');
            _i = 0;
        }
 
        return line[_i++];
    }
 
    public int Int() => int.Parse(Str());
    public long Long() => long.Parse(Str());
    public double Double() => double.Parse(Str());
    public int[] Int(int n) => Enumerate(n, Int);
    public long[] Long(int n) => Enumerate(n, Long);
    public double[] Double(int n) => Enumerate(n, Double);
    public string[] Str(int n) => Enumerate(n, Str);
}
 
class Printer : StreamWriter
{
    public Printer() : base(Console.OpenStandardOutput())
    {
        AutoFlush = false;
    }
}
#endregion