#!/usr/bin/env python3

import sys
import os.path

SEP = '='*10

decode = False
tohex = False
if os.path.basename(sys.argv[0]) == 'unascii':
    decode = True
if os.path.basename(sys.argv[0]) == 'asciihex':
    tohex = True

if len(sys.argv) < 2 or sys.argv[1] == '-':
    text = sys.stdin.readlines()
else:
    text = sys.argv[1:]

for i in range(len(text)):
    if decode:
        line = text[i]
        if line.strip() == SEP:
            pass
        else:
            print(chr(int(line)), end='')
    else:
        for char in text[i]:
            if tohex:
                print('0x' + format(ord(char), '02x'))
            else:
                print(ord(char))
        if i != len(text) - 1:
            print(SEP)