using System;
using System.Linq;

public class Program
{
    public static void Main()
    {
        int change = (int)(double.Parse(Console.ReadLine()) * 100);

        int one = 1;
        int two = 2;
        int five = 5;
        int ten = 10;
        int twenty = 20;
        int fifty = 50;
        int oneHundred = 100;
        int twoHundred = 200;

        int counter = 0;

        while (change > 0)
        {
            int currentCoin;

            if (change >= twoHundred)
            {
                currentCoin = twoHundred;
            }
            else if (change >= oneHundred)
            {
                currentCoin = oneHundred;
            }
            else if (change >= fifty)
            {
                currentCoin = fifty;
            }
            else if (change >= twenty)
            {
                currentCoin = twenty;
            }
            else if (change >= ten)
            {
                currentCoin = ten;
            }
            else if (change >= five)
            {
                currentCoin = five;
            }
            else if (change >= two)
            {
                currentCoin = two;
            }
            else
            {
                currentCoin = one;
            }

            change -= currentCoin;

            counter++;
        }

        Console.WriteLine(counter);
    }
}