Helpppppp

I had protected sex just now and the condom broke. I’ve taken two plan bs in year because The condom has also broke and I didn’t want to get pregnant. Im scared it won’t work now. He says he didn’t nut either And I just jerked him off rn and he nut a lot on his stomach and everything came out. What should I do I’m panicking rn!!! Should I get a plan b