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17 lines
472 B
Python
17 lines
472 B
Python
#!/usr/bin/python2
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import binascii
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import sys
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import string
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for line in sys.stdin:
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for pos, eachChar in enumerate(line, 1):
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if pos % 4 == 0:
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if eachChar in string.ascii_letters:
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sys.stdout.write(binascii.unhexlify(hex(int(binascii.hexlify(eachChar), 16) & 119)[2:]))
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else:
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sys.stdout.write(eachChar)
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else:
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sys.stdout.write(eachChar)
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sys.stdout.flush()
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sys.stdout.write('\n')
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