using System;
using System.Linq;

namespace y
{
    class Program
    {
        static void Main(string[] args)
        {
            var a = Console.ReadLine().Split().Select(x => int.Parse(x)).ToArray();
            int c = 0;
            foreach (var i in a)
            {
                if (i % 3 == 0) c += 4;
                else if (i % 5 == 0) c += 4;
                else c += i.ToString().Length;
            }
            Console.WriteLine(c);
        }
    }
}