01. Repainting

import java.util.Scanner;

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

        int nylonNeeded = Integer.parseInt(scan.nextLine());
        int paintNeeded = Integer.parseInt(scan.nextLine());
        int dissolveNeeded = Integer.parseInt(scan.nextLine());
        int workersWorkingHours = Integer.parseInt(scan.nextLine());

        double nylonPrice = (nylonNeeded + 2) * 1.50;
        double paintPrice = (paintNeeded * 1.10) * 14.50;
        int dissolvePrice = dissolveNeeded * 5;

        double totalPrice = nylonPrice + paintPrice + dissolvePrice + 0.40;
        double workersSalaryPerHour = totalPrice * 0.30;
        double workersTotalSalary = workersSalaryPerHour * workersWorkingHours;

        double finalPrice = totalPrice + workersTotalSalary;

        System.out.printf("Total expenses: %.2f lv.", finalPrice);
    }
}