Exam_21.02.2016_P04_Passion Days

import java.math.BigDecimal;
import java.util.Scanner;

/**
 * Created by todor on 16.02.2017 г..
 */
public class Dummy {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        BigDecimal money = new BigDecimal(scan.nextLine());
        String commandString = "";
        BigDecimal price = new BigDecimal("0");
        int purchasesCount = 0;
        do {
            commandString = scan.nextLine();
        } while (!commandString.equals("mall.Enter"));
        commandString = scan.nextLine();
        do {
            for (char commandChar : commandString.toCharArray()) {
                price = price.subtract(price);
                boolean isCharUpperCase = 'A' <= commandChar && commandChar <= 'Z';
                price = isCharUpperCase ? price.add(BigDecimal.valueOf(commandChar * 0.50)) : price;
                boolean isCharLowerCase = 'a' <= commandChar && commandChar <= 'z';
                price = isCharLowerCase ? price.add(BigDecimal.valueOf(commandChar * 0.30)) : price;
                boolean isCharPercent = commandChar == '%';
                price = isCharPercent ? price.add(money.divide(BigDecimal.valueOf(2.0))) : price;
                boolean isCharAsterisk = (commandChar == '*');
                money = isCharAsterisk ? money.add(BigDecimal.valueOf(10.0)) : money;
                boolean isCharOther = !(isCharAsterisk || isCharLowerCase || isCharUpperCase || isCharPercent);
                price = isCharOther ? price.add(BigDecimal.valueOf(commandChar)) : price;
                boolean isPriceMoreThanZero = 1 == price.compareTo(BigDecimal.valueOf(0));
                boolean isPriceLessEqualToMoney = !(1 == price.compareTo(money));
                if (isPriceMoreThanZero && isPriceLessEqualToMoney) {
                    money = money.subtract(price);
                    purchasesCount++;
                }
            }

            commandString = scan.nextLine();
        } while (!commandString.equals("mall.Exit"));

        String moneyString = money.setScale(2,BigDecimal.ROUND_HALF_UP).toString();
        if (purchasesCount == 0){
            System.out.printf("No purchases. Money left: %s lv.%n", moneyString);
        }
        else {
            System.out.printf("%d purchases. Money left: %s lv.%n", purchasesCount, moneyString);
        }
    }
}