ProgBasicsExam1and2December2018-E01schoolSupplies

import java.util.Scanner;

public class E01schoolSupplies {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        double pens = Double.parseDouble(scanner.nextLine());
        double markers = Double.parseDouble(scanner.nextLine());
        double cleaner = Double.parseDouble(scanner.nextLine());
        double discount = Double.parseDouble(scanner.nextLine());

        double pensPrice = 5.80;
        double markersPrice = 7.20;
        double cleanerPrice = 1.20;

        double totalWhithouDiscount = (pens * pensPrice)+ (markers *markersPrice)+ (cleaner *cleanerPrice);
        double totalAll = totalWhithouDiscount - ((totalWhithouDiscount * discount) / 100);

        System.out.printf("%.3f", totalAll);

    }
}