class PaymentCard:
    def __init__(self, card_number, card_holder, expiration_date, cvv):
        self.card_number = card_number
        self.card_holder = card_holder
        self.expiration_date = expiration_date
        self.cvv = cvv
        self.balance = 5000  # Set initial balance to $5000

    def add_funds(self, amount):
        try:
            amount = float(amount)
            if amount <= 0:
                raise ValueError("Amount must be a positive number")
            self.balance += amount
            print(f"Added {amount} to card balance. New balance: {self.balance}")
        except ValueError as e:
            print(f"Error: {e}")

    def make_payment(self, amount):
        try:
            amount = float(amount)
            if amount <= 0:
                raise ValueError("Amount must be a positive number")
            if self.balance >= amount:
                self.balance -= amount
                print(f"Payment of {amount} successful. Remaining balance: {self.balance}")
            else:
                print("Insufficient funds. Payment declined.")
        except ValueError as e:
            print(f"Error: {e}")


# Creating an instance of PaymentCard
my_card = PaymentCard("1234 5678 9012 3456", "John Doe", "12/25", "123")

# Displaying the balance for 3 days
for _ in range(3):
    print(f"Current balance: {my_card.balance}")