local limit = 1000

if turtle.getFuelLevel() >= limit then
  print("Mnozstvi paliva je dostatecne. ("..turtle.getFuelLevel()..")")
  return
end

print("Mnozstvi paliva je nedostatecne. ("..turtle.getFuelLevel()..")")
print("Zkusim doplnit.")
for i = 1, 16 do
  turtle.select(i)
  if turtle.refuel(0) then
        turtle.refuel()
  end
  if turtle.getFuelLevel() >= limit then
        break
  end
end
turtle.select(1)

print("Mnozstvi paliva po doplneni je: "..turtle.getFuelLevel())