Hello CodeForces Community!

Happy Thanksgiving Everyone! I hope you are done with your preparations and are all set for a delectable Thanksgiving supper with your loved ones. I too would like to invite you to an early Thanksgiving celebration at CodeChef November Cook-Off. As usual it is scheduled for the second last Sunday of the month.

Joining me on the problem setting panel, we have:
- Problem setter: iscsi (Istvan Nagy)
- Contest Admin: PraveenDhinwa (Praveen Dhinwa)
- Tester and Editorialist: kevinsogo (Kevin Charles Atienza)
- Russian Translator : CherryTree (Sergey Kulik)
- Mandarin Translator: huzecong (Hu Zecong)
- Vietnamese Translator: VNOI Team

This is my first time as a short contest problem setter. The contest hero is Sebi my first child, who has three younger sister so probably he will have a hard childhood.:P I hope you will enjoy solving the problem set. Please feel free to provide your feedbacks in the comments section after the contest. You can find the rest of the details about the contest below.

Time: 20th November 2016 (2130 hrs) to 21st November 2016 (0000 hrs). (Indian Standard Time — +5:30 GMT) — Check your timezone.

Details: https://www.codechef.com/COOK76

Registration: You just need to have a CodeChef handle to participate. For all those, who are interested and do not have a CodeChef handle, are requested to register in order to participate.

Prizes: Top 10 performers in Global and Indian category will get CodeChef laddus, with which the winners can claim cool CodeChef goodies. Know more here: https://www.codechef.com/laddu. (For those who have not yet got their previous winning, please send an email to winners@codechef.com)

Good Luck! Hope to see you participating!!