The term urinary calculus is identified in base64 scheme by the sequence dXJpbmFyeSBjYWxjdWx1cw==, while the MD5 signature is equal to 5645026cec70b55c01b035b719d95b43. The ASCII encoding of urinary calculus in hexadecimal notation is 7572696e6172792063616c63756c7573.