#!/usr/bin/ruby
# -*- coding: utf-8 -*-

=begin
잔액 부족 예외 처리
=end

class BankAccount
  def initialize(balance)
    @balance = balance
  end

  def deposit(amount)
    @balance += amount
  end

  def withdraw(amount)
    begin
      raise StandardError if @balance < amount
      @balance -= amount
    rescue
      puts "잔액이 부족합니다."
      @balance
    end

  end

  def get_balance
    @balance
  end
end

account = BankAccount.new(100)
puts account.withdraw(99)
puts account.withdraw(5)