05.Coins

import java.util.Scanner;

public class Coins {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        double change = Double.parseDouble(scanner.nextLine());
        double changeStotinki = Math.floor(change * 100);
        int coinsCounter = 0;
        while(changeStotinki > 0){
            if(changeStotinki>=200){
                changeStotinki-=200;
                coinsCounter++;
            }else if(changeStotinki>=100){
                changeStotinki-=100;
                coinsCounter++;
            }else if (changeStotinki >=50){
                changeStotinki-=50;
                coinsCounter++;
            }else if (changeStotinki >=20){
                changeStotinki-=20;
                coinsCounter++;
            }else if (changeStotinki >=10){
                changeStotinki -=10;
                coinsCounter ++;
            }else if (changeStotinki >=5){
                changeStotinki-=5;
                coinsCounter++;
            }else if (changeStotinki >=2){
                changeStotinki-=2;
                coinsCounter++;
            }else if (changeStotinki>=1){
                changeStotinki-=1;
                coinsCounter++;
            }
        }
        System.out.println(coinsCounter);
    }
}