class AutoTaxi:
    def __init__(self, car_number, location=0, mode="Normal"):
        self.car_number = car_number
        self.mode = mode
        self.location = location

    def calculate_fare(self, distance):
        fare = 4000
        if distance > 2000:
            extra_distance = distance - 2000
            fare += (extra_distance // 132) * 100

        if self.mode == "Night":
            fare *= 1.2

        return fare

    def switch_mode(self):
        if self.mode == "Normal":
            self.mode = "Night"
        else:
            self.mode = "Normal"



taxi = AutoTaxi("123가4567", location=0, mode="Normal")
distance = 5000

taxi.switch_mode()

fare = taxi.calculate_fare(distance)
print(fare)