Pepdroll 6 Boot disk

function kontrola ()
term.setBackgroundColor(colors.white)
term.setTextColor(colors.black)
term.clear()
term.setCursorPos(14, 7)
print "Instalace systemu"
term.setCursorPos(14, 4)
print "Pepdroll 6 CZ  - 1"
term.setCursorPos(14, 5)
print "Pepdroll 6 EN  - 2"
term.setCursorPos(18, 8)
print " support   /help "
term.setBackgroundColor(colors.lightBlue)
term.setCursorPos(23, 10)
print "       "
term.setCursorPos(24, 10)
opak = io.read ()

if opak == "1" then
disk.eject("left")
disk.eject("right")
disk.eject("top")
disk.eject("bottom")
shell.run ("pastebin run CZe9TfuV")
elseif opak == "/help" then
term.setBackgroundColor(colors.white)
term.setTextColor(colors.black)
term.clear()
term.setCursorPos(5, 7)
term.setBackgroundColor(colors.yellow)
term.setTextColor(colors.white)
print "                         "
term.setCursorPos(5, 8)
print " 1 -> Pepdroll CZ        "
term.setCursorPos(5, 9)
print " 2 -> Pepdroll EN        "
term.setCursorPos(5, 10)
print " /help -> napoveda       "
term.setCursorPos(5, 11)
print " Enter -> konec napovedy "
term.setCursorPos(5, 12)
print "                         "
term.setCursorPos(5, 13)
a = io.read ()

if a == " " then
kontrola ()
else
kontrola ()
end
elseif opak == "2" then
disk.eject("left")
disk.eject("right")
disk.eject("top")
disk.eject("bottom")
shell.run ("pastebin run A60xZUtg")
else
term.setBackgroundColor(colors.red)
os.shutdown ()
sleep(1)
kontrola ()
end
end
kontrola ()