-is-this-fft- wrote a beautiful comment -> https://mirror.codeforces.com/blog/entry/86315?#comment-742365. Got good sheer of votes. Bitcoin is now at 40722 as i write this answer. I feel more sad for those stupid people who upvote by seeing the color of handle without even knowing what they are even talking about. Good luck stupid people. Herd following is best seen on Stupid CP sites.