Possibility of being pregnant?

I was fertile from august 4th-10th and ovulation the 9th. I had sex without a condom on the 11th and within the same hour had sex again and he did not go pee before the second or first. He came both times but pulled out. We used the pull out method for 4 days straight and didn't get the plan b until the 4th day. I start my period next week. Are my chances high?