05. Supplies for School

import java.util.Scanner;

public class SuppliesForSchool {
    public static void main(String[] args) {
        double penPrice = 5.80;
        double markerPrice = 7.20;
        double detergentPrice = 1.20;

        Scanner scanner = new Scanner(System.in);
        int penCount = Integer.parseInt(scanner.nextLine());
        int markerCount = Integer.parseInt(scanner.nextLine());
        int detergentCount = Integer.parseInt(scanner.nextLine());
        double discount = Double.parseDouble(scanner.nextLine());

        double totalPrice = (1 - discount / 100) * (penCount * penPrice + markerCount * markerPrice + detergentCount * detergentPrice);

        System.out.println(totalPrice);
    }
}