using static System.Console;
using System.Linq;
namespace App
{
    class Prog
    {
        static void Main()
        {
            var x = ReadLine().Split().Select(int.Parse).ToArray();
            int count = 0;
            for (int i = 0; i < x.Length; i++)
            {
                if (x[i] % 3 != 0 && x[i] % 5 != 0)
                {
                    count += x[i].ToString().Length;
                    continue;
                }
                if (x[i] % 3 == 0) count += 4;
                if (x[i] % 5 == 0) count += 4;
            }
            WriteLine(count);
        }
    }
}