checkinh = int(input("請您輸入停車開始時"))
checkinm = int(input("請輸入您停車開始分"))
checkouth = int(input("請輸入您停車結束時"))
checkoutm = int(input("請輸入您停車結束分"))
parktime = int(((checkouth - checkinh) * 60) + (checkoutm - checkinm))//30)
if parktime <= 120:
    print("停車費為 :" , (parktime * 30))
elif 120 < parktime <= 240:
    print("停車費為 :" , (120 + ((parktime - 4) * 40)))
else :
    print("停車費為 :" , (120 + 160 + ((parktime - 8) * 60)))