ProgBasicsExam22and23December2018-E02christmasMarket

import java.util.Scanner;

public class E02christmasMarket {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);


        double targetMoney = Double.parseDouble(scanner.nextLine());
        double fantasyBooks = Double.parseDouble(scanner.nextLine());
        double horrorBooks = Double.parseDouble(scanner.nextLine());
        double romanceBooks = Double.parseDouble(scanner.nextLine());

        double fantasyBookPrice = 14.90;
        double horrorBooksPrice = 9.80;
        double romanceBooksPrice = 4.30;

        double CharityMoney = ((fantasyBookPrice * fantasyBooks)+(horrorBooks *horrorBooksPrice)+ (romanceBooks * romanceBooksPrice)) * 0.80;

        if (CharityMoney >= targetMoney){
            double diff = CharityMoney - targetMoney;
            double sallers = Math.floor(diff * 0.10);
            double totalFinal = CharityMoney - sallers;
            System.out.printf("%.2f leva donated.%n", totalFinal);
            System.out.printf("Sellers will receive %.0f leva.", sallers);

        }

        else {
            double diff = targetMoney - CharityMoney;
            System.out.printf("%.2f money needed.", diff);
        }



    }
}