while true do
    turtle.suck()
    local data = turtle.getItemDetail()
    if data then
        if (data.name == "minecraft:rotten_flesh") then
            turtle.turnRight()
            turtle.drop()
            turtle.turnLeft()
        elseif (data.name == "minecraft:ender_pearl") then
            turtle.turnRight()
            turtle.drop()
            turtle.turnLeft()
        elseif (data.name == "minecraft:iron_ingot") then
            turtle.turnRight()
            turtle.drop()
            turtle.turnLeft()
        elseif (data.name == "minecraft:redstone") then
            turtle.turnRight()
            turtle.drop()
            turtle.turnLeft()
        elseif (data.name == "minecraft:glowstone_dust") then
            turtle.turnRight()
            turtle.drop()
            turtle.turnLeft()
        else
            turtle.dropDown(data.count)
        end
    end
end