You have been hired as a new doorman in an unknown apartment, where your job is to check on all the tenants who ask to enter the building. To deal with doppelgangers, the Department of Doppelganger Detection have given you a number in case of such situations. You were sitting in your office behind a glass window and noticed a guy with a rather unusual appearance walk up to you and hand you your entry papers "Geetings, human." The unknown man greeted you calmly