monets

import java.util.Scanner;

public class Monets {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        Double monetsIn = Double.parseDouble(scan.nextLine()) *100;
        int cntMonets = 0;
        while (monetsIn > 0) {

            if (monetsIn >= 200){
                monetsIn = monetsIn -200;
                cntMonets++;
            } else if (monetsIn >= 100) {
                monetsIn = monetsIn -100;
                cntMonets++;
            }  else if (monetsIn >= 50) {
                monetsIn = monetsIn -50;
                cntMonets++;
            } else if (monetsIn >= 20) {
                monetsIn = monetsIn -20;
                cntMonets++;
            }  else if (monetsIn >= 10) {
                monetsIn = monetsIn -10;
                cntMonets++;
            } else if (monetsIn >= 5) {
                monetsIn = monetsIn -5;
                cntMonets++;
            } else if (monetsIn >= 2) {
                monetsIn = monetsIn -2;
                cntMonets++;
            } else if (monetsIn >= 1) {
                monetsIn = monetsIn -1;
                cntMonets++;
            }
        }
        System.out.println(cntMonets);
    }
}