Can I do Insanity workouts only taking in 1000 or so calories?

I am doing the master cleanse and am on day 6. I have lost 9 pounds and stomach is flattening out but the bottom of it isn't quite. And my love handles are still there. Can I do insanity on my last 4 days? Pretty much leaving me with a 0 calorie intake :/. let me know please and thankyou