Coins

import java.util.Scanner;

public class Demo {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        double change = Double.parseDouble(scan.nextLine());
        change = change * 100;
        int monetsCount = 0;

        change = Math.floor(change);

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