using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace No32
{
    public class Program
    {
        public static void Main(string[] args)
        {
            int money_sum = 0;
            money_sum += Console.ReadLine().Split().Select(int.Parse).First() * 100;
            money_sum += Console.ReadLine().Split().Select(int.Parse).First() * 25;
            money_sum += Console.ReadLine().Split().Select(int.Parse).First();

            int num_1000 = money_sum / 1000;
            int num_100 = (money_sum - num_1000 * 1000) / 100;
            int num_25 = (money_sum - num_1000 * 1000 - num_100 * 100) / 25;
            int num_1 = (money_sum - num_1000 * 1000 - num_100 * 100 - num_25 * 25);

            Console.WriteLine(num_100 + num_25 + num_1);
        }
    }
}