package com.company;
import java.util.Arrays;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner dump = new Scanner(System.in);
        double sum = 0;
        String in;
        String pur;

        do {
            in = dump.nextLine();
            if (in.equals("0.1") || in.equals("0.2") || in.equals("0.5") || in.equals("1") || in.equals("2")) {
                sum += Double.parseDouble(in);
            } else if (!"Start".equals(in)){
                System.out.printf("Cannot accept %.2f",Double.parseDouble(in));
                System.out.println();
            }
        }
        while (!"Start".equals(in));
                do {
                    pur = dump.nextLine();
                    switch (pur) {
                        case "Nuts":
                            if (sum >= 2.0) {
                                sum -= 2.0;
                                System.out.println("Purchased " + pur);
                            } else {
                                System.out.println("Sorry, not enough money");
                            }
                            break;
                        case "Water":
                            if (sum >= 0.7) {
                                sum -= 0.7;
                                System.out.println("Purchased " + pur);
                            } else {
                                System.out.println("Sorry, not enough money");
                            }
                            break;
                        case "Crisps":
                            if (sum >= 1.5) {
                                sum -= 1.5;
                                System.out.println("Purchased " + pur);
                            } else {
                                System.out.println("Sorry, not enough money");
                            }
                            break;
                        case "Soda":
                            if (sum >= 0.8) {
                                sum -= 0.8;
                                System.out.println("Purchased " + pur);
                            } else {
                                System.out.println("Sorry, not enough money");
                            }
                            break;
                        case "Coke":
                            if (sum >= 1.0) {
                                sum -= 1.0;
                                System.out.println("Purchased " + pur);
                            } else {
                                System.out.println("Soory,not enought money");
                            }
                            break;
                        default:if(!"End".equals(pur))
                            System.out.println("Invalid product");
                            break;
                    }
                }
                while(!"End".equals(pur));
                System.out.printf("Change: %.2f",sum);
    }
}