Period of first differences by teebee

<?for(;$a=fgets(STDIN);)echo!preg_match(~\xd0\xd7\xd1\xd4\xc0\xd6\xa3\xce\xd4\xf5\xd0,preg_filter(~\xd0\xa3\x9b\xd4\xd0\x9a,~\xd4\xdb\x9e\xd2\xdb\x9e\xc2\xdb\xcf,$a),$a),substr_count($a[1],~\xdf),~\xf5;

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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