using System;

namespace Coins
{
    class Program
    {
        static void Main()
        {
            double input = double.Parse(Console.ReadLine());
            double rest = input * 100;
            int counter = 0;

            while (rest > 0)
            {
                if (rest - 200 >= 0) { rest -= 200; counter++; }
                else if (rest - 100 >= 0) { rest -= 100; counter++; }
                else if (rest - 50 >= 0) { rest -= 50; counter++; }
                else if (rest - 20 >= 0) { rest -= 20; counter++; }
                else if (rest - 10 >= 0) { rest -= 10; counter++; }
                else if (rest - 5 >= 0) { rest -= 5; counter++; }
                else if (rest - 2 >= 0) { rest -= 2; counter++; }
                else if (rest - 1 >= 0) { rest -= 1; counter++; }
                else { break; }
            }

            Console.WriteLine(counter);

        }
    }
}