# Character Development Dungeons and Dragons
# pool are the total points that I can use.
pool = [30]
 
choice = None
 
while choice !="0":
    print \
    """
 
    Character Development
 
    0 - Exit
    1 - Strength
    """
 
    choice = raw_input("Choice: ")
    print
    # exit
    if choice == "0":
      print "Good-bye."
 
    # Strength points
    elif choice == "1":
      strength = 0
      strength = int(raw_input("How much strength points do you want?: "))
      print int(pool-strength)
 
    # some unknown choice
    else:
      print "Sorry, but", choice, "isn't a valid choice."
 
raw_input("\n\nPress the enter key to exit.")