05. Coins

import java.util.Scanner;

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

        //STOP -> РЕСТОТО <= 0
        //ПРОДЪЛЖАВАМЕ -> РЕСТОТО > 0
        double changeInLv = Double.parseDouble(scanner.nextLine());
        double change = Math.round(changeInLv * 100);
        int count = 0;

        while (change > 0){
            //връщаме ресто
            //2, 1, 0.5, 0.2, 0.1, 0.05, 0.02, 0.01
            //проверка за ресто
            if(change >= 200){
                change -= 200;
                count++;
            } else if(change >= 100){
                change -= 100;
                count++;
            } else if(change >= 50){
                change -= 50;
                count++;
            } else if(change >= 20) {
                change -= 20;
                count++;
            } else if(change >= 10) {
                change -= 10;
                count++;
            } else if(change >= 5) {
                change -= 5;
                count++;
            }  else if(change >= 2) {
                change -= 2;
                count++;
            }  else if(change >= 1) {
                change -= 1;
                count++;
            }
        }

        System.out.println(count);
    }
}