fruit shop

import java.util.Scanner;

public class Problem8 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String fruit = scan.nextLine();
        String day = scan.nextLine();
        double count = Double.parseDouble(scan.nextLine());
        double result = 0;
        boolean isError = false;

        if (day.equals("Monday") || (day.equals("Tuesday")) || (day.equals("Wednesday"))
                || (day.equals("Thursday")) || (day.equals("Friday"))) {
            switch (fruit) {
                case "banana":
                    result = count * 2.50;
                    break;
                case "apple":
                    result = count * 1.20;
                    break;
                case "orange":
                    result = count * 0.85;
                    break;
                case "grapefruit":
                    result = count * 1.45;
                    break;
                case "kiwi":
                    result = count * 2.70;
                    break;
                case "pineapple":
                    result = count * 5.50;
                    break;
                case "grapes":
                    result = count * 3.85;
                    break;
                default:
                    isError = true;
                    break;
            }
        } else if (day.equals("Saturday") || (day.equals("Sunday"))) {
            switch (fruit) {
                case "banana":
                    result = count * 2.70;
                    break;
                case "apple":
                    result = count * 1.25;
                    break;
                case "orange":
                    result = count * 0.90;
                    break;
                case "grapefruit":
                    result = count * 1.60;
                    break;
                case "kiwi":
                    result = count * 3.00;
                    break;
                case "pineapple":
                    result = count * 5.60;
                    break;
                case "grapes":
                    result = count * 4.20;
                    break;
                default:
                        isError = true;
                    break;
            }
        }else {
            isError = true;
        }
        if (isError){
            System.out.println("error");
        }else {
            System.out.printf("%.2f",result);
        }
    }
}

//плод	banana	apple	orange	grapefruit	kiwi	pineapple	grapes
//цена	2.50	1.20	0.85	1.45	    2.70	5.50	    3.85
//Събота и неделя магазинът работи на по-високи цени:
//плод	banana	apple	orange	grapefruit	kiwi	pineapple	grapes
//цена	2.70	1.25	0.90	1.60	    3.00	5.60	    4.20
//Напишете програма, която чете от конзолата плод (banana / apple / orange / grapefruit / kiwi / pineapple / grapes),
// ден от седмицата (Monday / Tuesday / Wednesday / Thursday / Friday / Saturday / Sunday) и количество (десетично число)