robbery.rb

@robbers_money = '0'
@robbers_combination = nil
@safe = 'closed'
@safe_combination = 1234
@safe_money = 10000000
@bank_money = @safe_money
@bank_alarmed = true

def robbing_the_bank(deactivate_alarm, combination)
  if deactivate_alarm
    @bank_alarmed = false
    if combination == @safe_combination && @bank_alarmed == false
      @safe_money = 0
      @robbers_money = 10000000
      puts 'SUCCESS'
    else
      puts 'BUSTED'
    end
  else
    puts 'BUSTED'
  end
end

robbing_the_bank(false, 1234)