You are a part of the World of Wizards—a global society of magicians. It's your task to create a "warped-spell" that helps the society ensure the authenticity and secrecy of its members. All the members meet once a month at a secret club. In order to ensure the authenticity of members, each member is sent a "secret" number of 1-7 digits, 10 days before the meeting. On the meeting day, each member has to present a new "warped" number, which is made by casting a warped-spell on the "secret" received 10 days ago. The "warped" number must have the following magical attributes: 1. Must be strictly 4 - 7 digits in length, i.e., numbers from 1000 to 9999999. 2. Must always be greater than the secret itself. 3. Must have mirror-like characteristics, as shown below: