PrepareQuarry

write("Please enter desired quarry length: ")
n = read()
if n > 0 and n <= 64 then
  a = read()
  write("Please enter desired quarry width: ")
  if read() > 0 and read() <= 64 then
    b = read()
    write("Confirm: Quarry of " .. a .. "x" .. b .." will be prepared. Enter 'y' to confirm or 'n' to abort: ")
    if read() == 'y' then
      print("Understood. Commencing quarry preparation...")
      sleep(2)
    elseif read() == 'n' then
      print("Operation aborted. Terminating program...")
      sleep(2)
    else
      print("Invalid character. Terminating program...")
      sleep(2)
    end
  else
    print("Invalid character. Terminating program...")
    sleep(2)
  end
else
  print("Invalid character. Terminating program...")
  sleep(2)
end