local target = read()
local distance = 0
for i = 1, target do
   for j = 1, 16 do
      turtle.select(j)
      if turtle.refuel(0) then
          print("Slot "..j.." is valid fuel")
          turtle.refuel()
          print("The fuel level is: "..turtle.getFuelLevel())
        end
    end
    while turtle.detect() do
        turtle.dig()
    end
    for j = 1, 5 do
        while turtle.detectUp() do
            turtle.digUp()
        end
        turtle.up()
        while turtle.detect() do
            turtle.dig()
        end
    end
    for j = 1, 5 do
        turtle.down()
    end
    for 0, distance do
        turtle.back()
    end
    for j = 1, 16 do
    turtle.select(j)
        if turtle.refuel(0) then
            print("Slot "..j.." is valid fuel")
            turtle.refuel()
            print("The fuel level is: "..turtle.getFuelLevel())
        end
    end
    turtle.turnLeft
    turtle.turnLeft
    for j = 1, 16 do
        turtle.select(j)
        turtle.drop()
    end
    turtle.turnLeft
    turtle.turnLeft
    for 0, distance do
        turtle.forward()
    end
    distance = distance + 1
end