#!/usr/bin/env python<span>

</span>import hashlib
for flag in range(0, 10000):<span>
      b = ((512 | flag ) ^ (318) ) & 1405</span><span>
      if b == 1337:</span><span>
            print flag</span><span>
            flag_sha256 = hashlib.sha256(str(flag)).hexdigest()</span><span>
            print "flag is : 3DS{"+flag_sha256+"}"</span><span>
            exit()</span>