<?for(;$r=preg_filter(~\xd0\xa1\xdf\xd5\xf5\xdf\x83\xd7\xa3\xac\xd6\xd7\xd1\x84\xca\xcf\x82\xd6\xdf\xd0\x8c,~\xdf\xa3\xcd\xa3\xce,$s=$r.fread(STDIN,99)););echo$s;
Note that non-ascii characters in the above source code will be escaped (such as \x9f).