package com.company;

import java.util.Scanner;

public class Coins {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double money = Double.parseDouble(scanner.nextLine());

        money = (int) (money * 100);
        int coins = 0;

        while (money > 0) {
            if (200 <= money) {
                money -= 200;
                coins++;
            } else if (100 <= money) {
                money -= 100;
                coins++;
            } else if (50 <= money) {
                money -= 50;
                coins++;
            } else if (20 <= money) {
                money -= 20;
                coins++;
            } else if (10 <= money) {
                money -= 10;
                coins++;
            } else if (5 <= money) {
                money -= 5;
                coins++;
            } else if (2 <= money) {
                money -= 2;
                coins++;
            } else if (1 <= money) {
                money -= 1;
                coins++;
            }
        }
        System.out.println(coins);
    }
}