import java.util.Scanner;

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

        double rest = Double.parseDouble(scanner.nextLine());
        double exchange = rest*100;
        int counter = 0;

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

    }
}