Cobblestone Generator v0.1

print("What side is the spout on?")
print("Options: front, back, left, right, top, bottom")
side=read()

    while true do
        print("NO CAPITALS")
        print("How many block's are you smelting? Make sure its a number.")
        blocks=tonumber(read())
        print("What are you smelting?")
        input = { gold = 15, iron = 20, bronze = 25, aluminum = 20, copper = 30, lead = 23, stone = 10, cobalt = 45, tin = 16}
        time = input[io.read()]
        doneIn=(time * blocks) / 60
        print("It will take: " .. doneIn .. " Minutes to complete")
        sleep(2)
        print("Starting..")
        sleep(2)

        for i=1, blocks do
            redstone.setOutput(side, true)
            sleep(1)
            redstone.setOutput(side, false)
            print("Number " .. i .. " Pouring")
            sleep(time-1)
            term.setBackgroundColor(colours.black)
            term.clear()
            term.setCursorPos(1,1)
        end
    end