m={0:'0011',1:'0100',2:'0101',3:'0110',4:'0111',5:'1000',6:'1001',7:'1010',8:'1011',9:'1100'} while 1: l="" for c in raw_input(): l+=m[int(c)] print l
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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