using System;
using System.Linq;

public class Program
{
	static void Main()
	{
		var InputValue = Console.ReadLine().Split(' ').Select(x => Convert.ToInt32(x));

		int StringCount = 0;

		foreach(var Value in InputValue)
		{
			if (Value % 15 == 0)
			{
				StringCount += 8;
				continue;
			}

			if(Value % 5 == 0 || Value % 3 == 0)
			{
				StringCount += 4;
				continue;
			}

			StringCount += Value.ToString().Length;
		}

		Console.WriteLine(StringCount);
	}
}