Graduate students mainly live in the dormitory area of the research institute. Full-time graduate students, unified arrangements for accommodation. Accommodation in 800 yuan for one year, water and electricity charges 100 yuan a year, and air conditioning needs to be rented. The cost of using it for one year is about 300 yuan (more than 300 yuan, and everyone should share 100 yuan). There are two gates in the dormitory area of Xueyuan apartment, the south gate and the west gate. Both of them are guarded by security guards, and campus cards need to be swiped at the entrance of each dormitory, so there are also iron gates at the entrance of each dormitory, and campus cards need to be swiped. As soon as you enter the door, you will be inspected by a conscientious housekeeper. Can the students in this building suddenly see that every dormitory is a unified electronic door lock, and they can swipe their cards through the Bluetooth or key card of the mobile phone with the account bound, and there are cameras in the stairwell of the corridor?