05. Coins

package whileLoop;

import java.util.Scanner;

public class P05Coins {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

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

        int countCoins = 0;
        while (coinsChange > 0) {
            coinsChange = Math.round(coinsChange);
            if (coinsChange >= 200) {
                coinsChange = coinsChange - 200;
                countCoins++;
            } else if (coinsChange >= 100) {
                coinsChange = coinsChange - 100;
                countCoins++;
            } else if (coinsChange >= 50) {
                coinsChange = coinsChange - 50;
                countCoins++;
            } else if (coinsChange >= 20) {
                coinsChange = coinsChange - 20;
                countCoins++;
            } else if (coinsChange >= 10) {
                coinsChange = coinsChange - 10;
                countCoins++;
            } else if (coinsChange >= 5) {
                coinsChange = coinsChange - 5;
                countCoins++;
            } else if (coinsChange >= 2) {
                coinsChange = coinsChange - 2;
                countCoins++;
            } else if (coinsChange >= 1) {
                coinsChange = coinsChange - 1;
                countCoins++;
            } else {
                break;
            }
        }

        System.out.println(countCoins);
    }
}