IMC (International Mathematical Contest) ??????????, ?? ??? ?? ????

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Collection and Use of Personal Information

Collection and Use of Personal Information
Purpose	Items	Retention Period
Identification of users and verification of identity	Username, Name, Password	Until the user's withdrawal
Notification of customer service-related information and identification of users for CS responses	Contact information (email, mobile phone number)	Until the user's withdrawal

I agree to the contents of the collection and use of personal information.

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