05.2.05Coins

import java.util.Scanner;

public class ex05Coins {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double input = Double.parseDouble(scanner.nextLine());
        input *= 100;

        int income = (int)input;
        int coinCounter = 0;

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