abstract class BankAccount {
    public abstract void deposit(double amount);
    public abstract void withdraw(double amount);
    
    private String accountNumber;
    private double balance;
    
    public BankAccount(String accountNumber, double balance) {
        this.accountNumber = accountNumber;
        this.balance = balance;
    }

    public String getAccountNumber() {
        return accountNumber;
    }

    public double getBalance() {
        return balance;
    }

    protected void setBalance(double balance) {
        this.balance = balance;
    }

    
}
class SavingsAccount extends BankAccount {
    public SavingsAccount(String accountNumber, double balance) {
        super(accountNumber, balance);
    }

    @Override
    public void deposit(double amount) {
        setBalance(getBalance() + amount);
        System.out.println("Deposit of $" + amount + " successful. Current balance: $" + getBalance());
    }

    @Override
    public void withdraw(double amount) {
        if (getBalance() >= amount) {
            setBalance(getBalance() - amount);
            System.out.println("Withdrawal of $" + amount + " successful. Current balance: $" + getBalance());
        } else {
            System.out.println("Insufficient funds. Withdrawal failed.");
        }
    }
}
class CurrentAccount extends BankAccount {
    public CurrentAccount(String accountNumber, double balance) {
        super(accountNumber, balance);
    }

    @Override
    public void deposit(double amount) {
        setBalance(getBalance() + amount);
        System.out.println("Deposit of $" + amount + " successful. Current balance: $" + getBalance());
    }

    @Override
    public void withdraw(double amount) {
        if (getBalance() >= amount) {
            setBalance(getBalance() - amount);
            System.out.println("Withdrawal of $" + amount + " successful. Current balance: $" + getBalance());
        } else {
            System.out.println("Insufficient funds. Withdrawal failed.");
        }
    }
}

public class Main {
    public static void main(String[] args) {
		double ibal,damt,wamt;
        ibal = 1000.00;
        SavingsAccount savingsAccount = new SavingsAccount("SA001", ibal);
		System.out.println("Savings A/c: Initial Balace: $"+ibal);
		damt = 500.00;
        savingsAccount.deposit(damt);
		wamt = 250.00;
        savingsAccount.withdraw(wamt);
		wamt = 1600.00;
		System.out.println("\nTry to withdraw: $"+wamt);
        savingsAccount.withdraw(wamt);

        System.out.println();
        ibal = 5000.00;
        CurrentAccount currentAccount = new CurrentAccount("CA001", ibal);
		System.out.println("Current A/c: Initial Balace: $"+ibal);
		damt = 2500.00;
        currentAccount.deposit(1000.0);
		wamt = 1250.00;
        currentAccount.withdraw(3000.0);
		wamt = 6000.00;
		System.out.println("\nTry to withdraw: $"+wamt);
        savingsAccount.withdraw(wamt);		
    }
}