package SoftUniFund.BasicSyntax;

import java.util.Scanner;

public class VendingMachine2 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        String input = scan.nextLine();
        double sum = 0;
        while (!input.equals("Start")) {

            if (input.equals("0.1") || input.equals("0.2") || input.equals("0.5") || input.equals("1") || input.equals("2")) {
                sum += Double.parseDouble(input);
            } else {
                System.out.println(String.format("Cannot accept %.2f", Double.parseDouble(input)));
            }
            input = scan.nextLine();
        }


        String product = scan.nextLine();
        while (!product.equals("End")) {
            boolean isProduct = false;
            double price = 0;
            switch (product) {
                case "Nuts":
                    price = 2.0;
                    isProduct = true;
                    break;
                case "Water":
                    price = 0.7;
                    isProduct = true;
                    break;
                case "Crisps":
                    price = 1.5;
                    isProduct = true;
                    break;
                case "Soda":
                    price = 0.8;
                    isProduct = true;
                    break;
                case "Coke":
                    price = 1.0;
                    isProduct = true;
                    break;
            }
            if (price > sum ){
                System.out.println("Sorry, not enough money");
            } else if (isProduct) {
                System.out.println("Purchased " + product);
                sum -= price;
                isProduct = false;
            } else {
                System.out.println("Invalid product");
            }
            product = scan.nextLine();
        }
        System.out.println(String.format("Change: %.2f", sum));
    }
}