1. Connect with netcat to the specified server
2. Realize there is nothing you can do and give up by typing ``exit`` in terminal
3. Get the big integer upon exiting
4. Decode the big integer. I've personally used: https://scwf.dima.ninja/
5. Get the flag: ``flag{sometimes_it_is_best_to_step_away}``

Original writeup (https://github.com/TrollzorFTW/writeups/tree/master/bsidesbos/warmups/giveup).