using System;
using System.Linq;

class Program {
  static void Main() {
    var a = Console.ReadLine().Split().Select(int.Parse).ToArray();
    int cnt = 0;
    foreach (var n in a) {
      if (n % 15 == 0) cnt += 8;
      else if (n % 3 == 0 || n % 5 == 0) cnt += 4;
      else cnt += n.ToString().Length;
    }
    Console.WriteLine(cnt);
  }
}