please wear a pair of glasses to protect your eyes: https://mirror.codeforces.com/blog/entry/142085

RPdreamer gatrmani, they are probably the same person.

they have published too many vulgar blogs and comments, and their contribution is VERY low.

MikeMirzayanov please ban them.

and, RPdreamer has got two banned luogu accounts for it has published dangerous programs in luogu. we should stop its bad action.