function downScreen()
  term.setBackgroundColor(colors.blue)
  for i = 1,20 do
    print("                                                                       ")
    sleep(0.5)
  end
  term.setBackgroundColor(colors.blue)
end
if term.isColor() then
  downScreen()
  term.setCursorPos(1,1)
  print("Welcome to C07v0s color changer!")
  term.write("Word: ")
  local word = read()
  term.setTextColor(colors.green)
  print(word)
end
if not term.isColor() then
  print("This program is only for advanced computers...........")
  return
end