I got in to foobar a few days ago off of a search where the invitation window came up. It's a terminal interface were you can solve some challenges in python or

I got in to foobar a few days ago off of a search where the invitation window came up. It's a terminal interface were you can solve some challenges in python or java. I solved the first one right away, but then didn't have time to keep going until today. I can still log in, but it says my invitation has expired and I need to continue searching.