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

namespace Coins
{
    class Program
    {
        static void Main(string[] args)
        {
            double change = double.Parse(Console.ReadLine());
            int numberCoins = 0;
            int coins = 0;
            change *= 100;

            coins = (int)change / 200;
            change -= coins * 200;
            numberCoins += coins;

            coins = (int)change / 100;
            change -= coins * 100;
            numberCoins += coins;

            coins = (int)change / 50;
            change -= coins * 50;
            numberCoins += coins;

            coins = (int)change / 20;
            change -= coins * 20;
            numberCoins += coins;

            coins = (int)change / 10;
            change -= coins * 10;
            numberCoins += coins;

            coins = (int)change / 5;
            change -= coins * 5;
            numberCoins += coins;

            coins = (int)change / 2;
            change -= coins * 2;
            numberCoins += coins;

            coins = (int)change / 1;
            change -= coins * 1;
            numberCoins += coins;

            Console.WriteLine(numberCoins);
        }
    }
}