using System;

public class Hello
{
    public static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var a = Array.ConvertAll(line, int.Parse);
        var res = 0;
        foreach (var x in a)
            res += getL(x);
        Console.WriteLine(res);
    }
    public static int getL (int n)
    {
        if (n % 15 == 0) return 8;
        else if (n % 3 == 0 | n % 5 == 0) return 4;
        else return n.ToString().Length;
    }
}