print "Tankoperation gestartet"
print "-----------------------"
print "Aktueller Stand: "
fuel = turtle.getFuelLevel()
print(fuel)
print "-----------------------"
print "Wie viel tanken? (Slot 16 Bitte!)"
turtle.select(16)

menge = tonumber(read())
turtle.refuel(menge)
print("done")
print "-----------------------"