Accesso Username/Password (computercraft)

Username = "LeHelary"
Password = "Accesso"
Debug = "Debug"
term.clear()
term.setCursorPos(1,1)
print("Benvenuto. Esegui l'autenticazione per proseguire.")
term.setCursorPos(1,3)
write("Username: ")
user = read()
term.setCursorPos(1,5)
write("Password: ")
pwd = read("*")
programma = true
while programma do
  if Username == user and Password == pwd then
    term.setCursorPos(1,7)
    write("ACCESSO CONSENTITO")
    term.setCursorPos(1,8)
    write("Utente: ")
    write(user)
    rs.setOutput("right", true)
    os.sleep(4)
    rs.setOutput("right", false)
    os.reboot()
  elseif Username == user and Debug == pwd then
    term.setCursorPos(1,7)
    write("MODALITA' DI DEBUG ATTIVATA")
    term.setCursorPos(1,8)
    write("Utente: ")
    write(user)
    os.sleep(3)
    term.clear()
    term.setCursorPos(1,1)
    programma = false
  else
    term.setCursorPos(1,7)
    write("ACCESSO NON CONSENTITO")
    term.setCursorPos(1,8)
    write("Username o Password errati, riprovare.")
    os.sleep(3)
    os.reboot()
  end
end