package coins;

import java.util.Scanner;

public class Coins {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        double input = Double.parseDouble(scanner.nextLine());
        int change = (int) (input * 100);

        int counter = 0;
        while (change > 0)
        {
            if (change >= 200) { counter += 1; change -= 200; }
            else if (change >= 100) { counter += 1; change -= 100; }
            else if (change >= 50) { counter += 1; change -= 50; }
            else if (change >= 40) { counter += 2; change -= 40; }
            else if (change >= 20) { counter += 1; change -= 20; }
            else if (change >= 10) { counter += 1; change -= 10; }
            else if (change >= 5) { counter += 1; change -= 5; }
            else if (change >= 4) { counter += 2; change -= 4; }
            else if (change >= 2) { counter += 1; change -= 2; }
            else if (change >= 1) { counter += 1; change -= 1; }
        }
        System.out.println(counter);
    }
}