PBE-07May2017_AngelKalinkov

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

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

        String season = scanner.nextLine().toLowerCase();
        String groupType = scanner.nextLine();
        int students = Integer.parseInt(scanner.nextLine());
        int nights = Integer.parseInt(scanner.nextLine());

        BigDecimal price = new BigDecimal("0.00");
        String sport = "";

        switch (season) {
            case "winter":
                switch (groupType) {
                    case "boys":
                        price = new BigDecimal("9.60");
                        sport = "Judo";
                        break;
                    case "girls":
                        price = new BigDecimal("9.60");
                        sport = "Gymnastics";
                        break;
                    case "mixed":
                        price = new BigDecimal("10.00");
                        sport = "Ski";
                        break;
                    default:
                        System.out.println("error");
                        break;
                }
                break;
            case "spring":
                switch (groupType) {
                    case "boys":
                        price = new BigDecimal("7.20");
                        sport = "Tennis";
                        break;
                    case "girls":
                        price = new BigDecimal("7.20");
                        sport = "Athletics";
                        break;
                    case "mixed":
                        price = new BigDecimal("9.50");
                        sport = "Cycling";
                        break;
                    default:
                        System.out.println("error");
                        break;
                }
                break;
            case "summer":
                switch (groupType) {
                    case "boys":
                        price = new BigDecimal("15.00");
                        sport = "Football";
                        break;
                    case "girls":
                        price = new BigDecimal("15.00");
                        sport = "Volleyball";
                        break;
                    case "mixed":
                        price = new BigDecimal("20.00");
                        sport = "Swimming";
                        break;
                    default:
                        System.out.println("error");
                        break;
                }
                break;
            default:
                System.out.println("There is no vacation in autumn.");
                break;
        }
        BigDecimal amount = new BigDecimal(students).multiply(new BigDecimal(nights)).multiply(price);

        if (students >= 10 && students < 20){
            amount = amount.multiply(new BigDecimal("0.95"));
        } else if (students >= 20 && students < 50) {
            amount = amount.multiply(new BigDecimal("0.85"));
        } else if (students >= 50) {
            amount = amount.multiply(new BigDecimal("0.50"));
        }
        System.out.printf("%s %s lv.%n", sport, amount.setScale(2, RoundingMode.HALF_UP));
    }
}