package com.company;

import java.util.Scanner;

public class VendingMashine {
    public static void main(String[] args) {
        Scanner scaner= new Scanner(System.in);
        double coins=0;
        double totalMoney=0;
        String input=scaner.nextLine();
        while(!input.equals("Start")){

            coins=Double.parseDouble(input);
            if(coins==0.1||coins==0.2||coins==0.5||coins==1||coins==2){
                totalMoney += coins;
            }else {
                System.out.printf("Cannot accept %.2f%n",coins);
            }
            input = scaner.nextLine();
        }

        String input2=scaner.nextLine();
        while(!input2.equals("End")){
            switch (input2){
                case "Nuts":
                    if(totalMoney>=2){
                        System.out.println("Purchased Nuts");
                        totalMoney-=2;
                    }else {
                        System.out.println("Sorry, not enough money");
                    }
                    break;
                case "Water":
                    if(totalMoney>=0.7){
                        System.out.println("Purchased Water");
                        totalMoney-=0.7;
                    }else {
                        System.out.println("Sorry, not enough money");
                    }
                    break;
                case "Crisps":
                    if(totalMoney>=1.5){
                    System.out.println("Purchased Crisps");
                        totalMoney-=1.5;
                }else {
                    System.out.println("Sorry, not enough money");
                }
                break;
                case "Soda":
                    if(totalMoney>=0.8){
                        System.out.println("Purchased Soda");
                        totalMoney-=0.8;
                    }else {
                        System.out.println("Sorry, not enough money");
                    }
                    break;
                case "Coke":
                    if(totalMoney>=1.0){
                        System.out.println("Purchased Coke");
                        totalMoney-=1.0;
                    }else {
                        System.out.println("Sorry, not enough money");
                    }
                    break;
                    default:
                        System.out.println("Invalid product");
                        break;
            }
            input2=scaner.nextLine();
        }
        System.out.printf("Change: %.2f",totalMoney);
    }
}