# File: chr.py
# Program to convert an internal representation to a character
#
# Matt Bishop, HMI 289I, Winter 2018
#

# keep going until there is no more input
while True:
        # here we read a number
        # but end the loop on an EOF (^D on most systems)
        try:
                innum = int(raw_input("Enter (non-negative) integer: "))
        except EOFError:
                break
        except:
                print "You need to enter a non-negative integer"
        else:
                # check that the number is non-negative
                if innum < 0:
                        print "You need to enter a non-negative integer"
                else:
                        # print the ordinal values for each character
                        print innum, "-->", chr(innum)
    

# that's all, folks!
print "Bye!"