while 1:_=raw_input();l=len(_)-4;a=0;exec"s=_.replace('?',`a`);a+=sum(ord(s[4+_])%30*~[_,_%2*2][l&1]for _ in range(l))%(9^l/4)>0;"*l;print s
Note that non-ascii characters in the above source code will be escaped (such as \x9f).
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