using System;

class BankAccount {
  private double balance;

  public BankAccount(double initial) {
    balance = initial;
  }

  public double GetBalance() {
    return balance;
  }

  public void Deposit(double amount) {
    if (amount > 0) balance += amount;
  }

  public bool Withdraw(double amount) {
    if (amount > 0 && amount <= balance) {
      balance -= amount;
      return true;
    }
    return false;
  }
}

class Program {
  static void Main() {
    BankAccount acct = new BankAccount(100);
    acct.Deposit(500);
    Console.WriteLine("Balance: " + acct.GetBalance());
    bool ok = acct.Withdraw(200);
    Console.WriteLine("Withdraw 200: " + ok);
    Console.WriteLine("Balance: " + acct.GetBalance());
    bool over = acct.Withdraw(10000);
    Console.WriteLine("Overdraw: " + over);
    Console.WriteLine("Balance: " + acct.GetBalance());
  }
}