package com.company.EXAM_07_01_18;

import java.text.DecimalFormat;
import java.util.Scanner;

public class PR08Coins {
    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        double num = Double.parseDouble(input.nextLine());

        DecimalFormat df=new DecimalFormat("#.##");

        double coins = Double.parseDouble(df.format(num * 100));
        int count=0;
        while (coins >= 0) {
            if (coins >= 200) {
                coins -= 200;
                count++;
                if(coins==0){
                    break;
                }
            } else if (coins >= 100) {
                coins -= 100;
                count++;
                if(coins==0){
                    break;
                }
            } else if (coins >=50) {
                coins -= 50;
                count++;
                if(coins==0){
                    break;
                }
            } else if (coins >= 20) {
                coins -= 20;
                count++;
                if(coins==0){
                    break;
                }
            } else if (coins > 10) {
                coins -= 10;
                count++;
            } else if (coins >= 5) {
                coins -= 5;
                count++;
                if(coins==0){
                    break;
                }
            } else if (coins >=2) {
                coins -= 2;
                count++;
                if(coins==0){
                    break;
                }
            } else if (coins >= 1) {
                coins -= 1;
                count++;
            } else {
                break;
            }
        }
        System.out.println(count);
    }
}