The only thing that raises your CYA is by adding more CYA. In any case, you have no CYA in your water and that means that after about an hour on sunlight, your FC will be gone and then your pool water will be unsanitized.
I would suggest adding enough CYA to get you to at least 30 ppm. Then add enough chlorine to get you to at least 4 ppm. Overall, I would suggest reading Pool School. That way, you can understand the reasons behind why certain levels are suggested.