import java.util.Scanner;


public class CoffeeMachine {
    static public void checkNeed(int b, int w, int m, int s, int mo) {
        if (water >= w && beans >= b && milk >= m && cups >= s) {
            water = water - w;
            beans = beans - b;
            milk = milk - m;
            cups = cups - s;
            money = money + mo;
            System.out.println("I have enough resources, making you a coffee!");
        } else {
            System.out.print("Sorry, not enough");
            if (water < w) {
                System.out.print(" water");
            } else if (milk < m) {
                System.out.println(" milk");
            } else if (beans < b) {
                System.out.println(" beans");
            } else if (cups < s) {
                System.out.println(" cups");
            }
            System.out.println("!");
        }


    }

    static public void writeInfo() {
        System.out.println("The coffee machine has:");
        System.out.println(water + " of waters");
        System.out.println(milk + " of milk");
        System.out.println(beans + " of beans");
        System.out.println(cups + " of cups");
        System.out.println(money + " of money");
    }

    static int water = 1200;
    static int milk = 540;
    static int beans = 120;
    static int cups = 9;
    static int money = 550;

    public static void main(String[] args) {


        Scanner scanner = new Scanner(System.in);


        String n = "";
        do {
            System.out.println("Write action (buy, fill, take, remaining, action): \n");
            n = scanner.next();


            if (n.equals("buy")) {
                System.out.println("What do you want to buy? 1 - espresso, 2 - latte, 3 - cappuccino, back - to main menu: \n");


                String ch = scanner.next();
                if (ch == "1") {
                    checkNeed(16, 250, 0, 1, 4);

                } else if (ch == "2") {
                    checkNeed(20, 350, 75, 1, 7);


                } else if (ch == "3") {
                    checkNeed(12, 200, 100, 1, 6);

                } else if (ch == "back") {

                }
            } else if (n.equals("fill")) {
                System.out.println("Write how many ml of water do you want to add: ");
                int wat = scanner.nextInt();
                water = water + wat;
                System.out.println("Write how many ml of milk do you want to add: ");
                int mil = scanner.nextInt();
                milk = milk + mil;
                System.out.println("Write how many grams of coffee beans do you want to add: ");
                int bean = scanner.nextInt();
                beans = beans + bean;
                System.out.println("Write how many disposable cups of coffee do you want to add: ");
                int cup = scanner.nextInt();
                cups = cups + cup;

            } else if (n.equals("take")) {
                System.out.println("I gave you $" + money);
                money = 0;

            } else if (n.equals("remaining")) {
                writeInfo();
            }
        } while (!n.equals("exit"));

    }
}