That is, those with mantissas of 0, 2, 4, 6 and 8 get on the bus at the ticket gate on the second floor, and those with mantissas of 1, 3, 5, 7 and 9 get on the bus at the ticket gate on the first floor.
Go to Beijing, Shanghai and Qingdao. For Dalian, we get on at the ticket gate on the second floor.
Passengers for Hohhot and Hailar get on at the ticket gate on the first floor.