Draconic Evolution Fusion Crafter Automation (Computercraft)

while true do
    local first = true
    if turtle.getItemCount(1) >= 1 then
        for a = 16, 2, -2 do
            turtle.select(a)
            if turtle.getItemCount(a) >= 1 then
                if first == true then
                    turtle.drop(64)
                else
                    turtle.dropDown(64)
                end
            end
        end
        turtle.select(1)
    end
    os.sleep(1)
end