import java.util.Scanner;

public class TicketMachine
{
    private int price;
    private int balance;
    private int total;
    private int refund;
    private int tickets;


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

        int a,b,c,ticketCost;
        System.out.println("Masukkan harga tiket : ");
        ticketCost=input.nextInt();
        TicketMachine(ticketCost);
        System.out.println("Masukkan total uang : ");
        b=input.nextInt();
        insertMoney(b);

        printTicket();

    }


    public int TicketMachine(int ticketCost)
    {
        price = ticketCost;
        balance = 0;
        total = 0;
        refund = 0;
        tickets = 0;
        return 0;
    }

    public int getPrice()
    {
        return price;
    }

    public void insertMoney(int amount)
    {
        if(amount > 0)
        {
            balance += amount;
        }
        else
        {
            System.out.println("Please inser a sensible amount of money");
        }
    }

    public void printTicket()
    {
        if(balance > 0)
        {
            if(balance >= price)
            {
                tickets = purchaseTickets();

                int i = 1;

                while (i <= tickets)
                {
                    System.out.println("--------------------");
                    System.out.println("--Tiket Kereta Api--");
                    System.out.println("--Ticket " + i +"-----");
                    System.out.println("- " + price + " rupiah");
                    System.out.println("-------------------");

                    i++;
                }

                total += balance;

                refund = refundBalance();

                if(refund==0)
                {
                    System.out.println("No Change Given");
                }
                else
                {
                    System.out.println("Amount to refund: " +refund+ "rupiah");
                }

                balance = 0;
            }
            else
            {
                System.out.println("Please inser " +(price - balance) +"more rupiah");
            }
        }
        else
        {
            System.out.println("Please insert a positive amount of money");
        }
    }

    public int refundBalance()
    {
        int amountToRefund;

        amountToRefund = balance - price * tickets;

        balance = 0;

        return amountToRefund;
    }

    public int purchaseTickets()
    {
        int numberOfTickets;

        numberOfTickets = balance / price;

        return numberOfTickets;
    }
}