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