speed=int(input("Enter a vehicle speed (km/h) "))

if speed<=50:
    print("'No fine.'")
if (speed>50) and (speed<=55):
    print("'Just a caution.'")
if (speed>55) and (speed<=60):
    print("'A $200 fine sir.'")
if speed>60:
    print("'A $1000 fine sir.'")