print("This is a 50km/h zone")
speed = int(input("Enter vehicle speed: "))
if speed <= 50 :
    print("no fine")
if speed in range(51, 55) :
    print("a caution")
if speed in range(56, 60) :
    print("Fine is $200")
if speed > 60 :
    print("Fine is $1000")