07. Food Delivery

import java.util.Scanner;

public class FoodDelivery {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int chickenMenuCount = Integer.parseInt(scanner.nextLine());
        int fishMenuCount = Integer.parseInt(scanner.nextLine());
        int vegetarianMenuCount = Integer.parseInt(scanner.nextLine());

        double totalSum = (chickenMenuCount * 10.35) + (fishMenuCount * 12.40) + (vegetarianMenuCount * 8.15);
        double dessertPrice = totalSum * 0.20;

        double finalPrice = totalSum + dessertPrice + 2.50;

        System.out.println(finalPrice);
    }
}