05. Supplies for School

import java.util.Scanner;

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

        int pensCount = Integer.parseInt(scanner.nextLine());
        int markersCount = Integer.parseInt(scanner.nextLine());
        int detergentLiters = Integer.parseInt(scanner.nextLine());
        int percentDiscount = Integer.parseInt(scanner.nextLine());

        //•   Пакет химикали - 5.80 лв.
        //•   Пакет маркери - 7.20 лв.
        //•   Препарат - 1.20 лв (за литър)

        double pensPrice = pensCount * 5.80;
        double markersPrice = markersCount * 7.20;
        double detergentPrice = detergentLiters * 1.20;

        double totalSum = pensPrice + markersPrice + detergentPrice;
        double finalSum = totalSum - (totalSum * (percentDiscount/100.0));

        System.out.println(finalSum);
    }
}