# L-28 MCS 260 Wed 16 Mar 2016 : ratraise.py

"""
Reads numerator and denominator, raises
ZeroDivisionError when denominator == 0.
"""

try:
    ARAW = input('Give numerator : ')
    BRAW = input('Give denominator : ')
    (A, B) = (int(ARAW), int(BRAW))
    try:
        if B == 0:
            raise ZeroDivisionError
    finally:
        print('read %d/%d' % (A, B))
except ZeroDivisionError:
    print('raised ZeroDivisionError')