Преписано от учебника 1:1 в IntelliJ и гърми. Обяснение защо? Някой ?

import java.util.Scanner;

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

        String town = input.nextLine().toLowerCase();
        String product = input.nextLine().toLowerCase();
        double quantity = Double.parseDouble(input.nextLine());
        double price = 0;


        if (town.equals("Sofia")) {
            if (product.equals("coffee")) {
                price = 0.8 * quantity;
            } else if (product.equals("water")) {
                price = 0.7 * quantity;
            } else if (product.equals("beer")) {
                price = 1.2 * quantity;
            } else if (product.equals("sweets")) {
                price = 1.45 * quantity;
            } else if (product.equals("peanuts")) {
                price = 1.6 * quantity;
            }

        } else if (town.equals("Plovdiv")) {
            if (product.equals("coffee")) {
                price = 0.8 * quantity;
            } else if (product.equals("water")) {
                price = 0.7 * quantity;
            } else if (product.equals("beer")) {
                price = 1.2 * quantity;
            } else if (product.equals("sweets")) {
                price = 1.45 * quantity;
            } else if (product.equals("peanuts")) {
                price = 1.6 * quantity;

            } else if (town.equals("Varna")) {
                if (product.equals("coffee")) {
                    price = 0.8 * quantity;
                } else if (product.equals("water")) {
                    price = 0.7 * quantity;
                } else if (product.equals("beer")) {
                    price = 1.2 * quantity;
                } else if (product.equals("sweets")) {
                    price = 1.45 * quantity;
                } else if (product.equals("peanuts")) {
                    price = 1.6 * quantity;
                }
            }
        }
        System.out.println(price);
    }
}