People's Square (A.K.A. shenmhin guangshan in Shanghai Dialect) is a large public square in the Huangpu District of Shanghai, China.
We know Talent Yang is the king of People's Square. Now he provides you a strange guessing game, and he also demonstrates his talent by giving you the result of how he tackles this task. Can you show your talent to decrypt the secret?
得到的flag使用NSSCTF{}格式提交。