Operator
Operator
Good evening and good morning, ladies and gentlemen, and thank you for standing by for 17EdTech's 2022 Earnings Conference Call. At this time all participants are in a listen-only mode. After management's prepared remarks there will be question-and-answer session. As a reminder, today's conference call is being recorded. I would now like to turn the meeting over to your host for today's call, Ms. Lara Zhao, 17EdTech's Investor Relations Manager. Please proceed, Lara.