06. Repainting

import java.util.Scanner;

public class Repainting {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int nylon = Integer.parseInt(scanner.nextLine());
        int paint = Integer.parseInt(scanner.nextLine());
        int thinner = Integer.parseInt(scanner.nextLine());
        int hours = Integer.parseInt(scanner.nextLine());

        double materials = (nylon + 2) * 1.50 + paint * 14.50 * 1.10 + thinner * 5 + 0.40;
        double workers = materials * hours * 0.30;

        System.out.println(materials + workers);
    }
}