require 'openssl'
require 'base64'

$locked = "2LtmxV/pyEDLdCulyFkO5A=="

def encrypt(plaintext)
  cipher = OpenSSL::Cipher::AES.new(128, :ECB).encrypt
  cipher.key = 'CollegeIsMoreFun'
  encrypted = cipher.update(plaintext) + cipher.final
  return encrypted
end

def main()
  puts "Enter the key?"
  input = gets.chomp
  res =  encrypt(input)
  if res == Base64.decode64($locked)
    puts "Good Work!!"
  else
    puts "The key is incorrect"
  end
end

main()