while true do
    turtle.attack()
    if turtle.getItemCount(1) == 64 then
        turtle.select(1)
        turtle.dropDown(63)
    end
    if turtle.getItemCount(2) == 64 then
        turtle.select(2)
        turtle.dropDown(63)
        turtle.select(1)
    end
    if turtle.getItemCount(3) == 64 then
        turtle.select(3)
        turtle.dropDown(63)
        turtle.select(1)
    end
    if turtle.getItemCount(4) == 64 then
        turtle.select(4)
        turtle.dropDown(63)
        turtle.select(1)
    end
    if turtle.getItemCount(5) == 64 then
        turtle.select(5)
        turtle.dropDown(63)
        turtle.select(1)
    end
end