I need help!!!!

Hi girls! Sooo today likr a fee minutes ago my boyfriend and i had intercourse we used a condom but the second time he put on a condom he came and everything but we realized that the condom got stuck inside me!!!! So i reached for it and yeah i can say that he came inside me and i figured put that today was my last fertile day... would the day after pill work??? Im really worried cause right now we are not looking for a pregnancy :S please i need opinions