#  Times.py  Copyright (c) Kari Laitinen

#  http://www.naturalprogramming.com

#  2006-05-06  File created.
#  2022-12-27  Converted to Python 3.

from datetime import datetime

#  CurrentTime is a kind of abstract class since its method show()
#  does not print anything. The show() method is redefined (overridden)
#  in subclasses.

class CurrentTime :

   def __init__( self ) :

      current_system_time  =  datetime.today()

      self.current_hours    =  current_system_time.hour
      self.current_minutes  =  current_system_time.minute
      self.current_seconds  =  current_system_time.second

   def show( self ) :

      pass


#  It is not entirely True that the 12-hour a.m./p.m. time
#  would be used everywhere in America, and the 24-hour time
#  would be used everywhere in Europe. The names AmericanTime
#  and EuropeanTime just happen to be nice names to
#  distinguish these two different ways to display time.

class AmericanTime ( CurrentTime ) :

   def show( self )  :

      american_hours  = ( 12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
                          12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 )

      print( "%d:%02d:%02d" % ( american_hours[ self.current_hours ],
                               self.current_minutes, self.current_seconds ), end="" )

      if  self.current_hours  <  12 :

         print( " a.m." )

      else :

         print( " p.m." )


class EuropeanTime ( CurrentTime ) :

   def show( self ) :

      print( "%d:%02d:%02d" % ( self.current_hours,
                                self.current_minutes, self.current_seconds ) )





#  The main program begins.

print( "\n Type 12 to see the time in 12-hour a.m./p.m format."  \
       "\n Any other number gives the 24-hour format. ", end="" )

user_response  =  int( input() )

if  user_response  ==  12 :

   time_to_show  =  AmericanTime()

else :

   time_to_show  =  EuropeanTime()


print( "\n  The time is now ", end="" )

time_to_show.show()