# File: except2.py
# Program to read in a positive number
# and complain when the input isn't that
#
# Matt Bishop, MHI 289I, Winter 2018

#
# loop to show exception handling
#    
while True:

    # read in a positive integer
    # handle any exceptions (relatively) intelligently
    try:
        n = int(raw_input("type a number: "))
    # exception: bad value (string, invalid number)
    except ValueError:
        print "bad value -- try again!"        # give it another chance
     # exception: end of file
    except EOFError:
        print "end of file -- bye!"            # quit
        break
    # some other exception
    except:
        print "Unknown exception -- ignoring!" # ignore the problem
    # no exception -- print the number
    else:
        if n <= 0:
            print "You typed a non-positive number"
        else:
            print "Read", n
    print "\n-----------------------\n"