class Program
{
    static void Main(string[] args)
    {
        string[] input = Console.ReadLine()!.Split(' ');
        int sum = 0;

        for (int i = 0; i < input.Length; i++)
        {
            int num = int.Parse(input[i]);

            if (num % 3 ==0 && num % 5 == 0)
            {
                sum += 8;
            }
            else if (num % 3 == 0 || num % 5 == 0)
            {
                sum += 4;
            }
            else
            {
                string numLength = num.ToString();
                sum += numLength.Length;
            }
        }

        Console.WriteLine(sum);
    }
}