# L-28 MCS 260 Wed 31 Oct 2007 : ratraise.py
#
# Reads numerator and denominator, raises
# ZeroDivisionError when denominator == 0.

try:
   a = input('Give numerator : ')
   b = input('Give denominator : ')
   try:
      if b == 0: raise ZeroDivisionError
   finally:
      print 'read %d/%d' % (a,b)
except ZeroDivisionError:
   print 'raised ZeroDivisionError'