def mystery(x):
if not isinstance(x, int) or x <= 0:
return False
found = 0
a = 1
while True:
a4 = a ** 4
if a4 >= x:
break
b = a
while True:
b4 = b ** 4
s = a4 + b4
if s == x:
found += 1
if found >= 2:
return True
if s > x:
break
b += 1
a += 1
return False
def mystery(x):
import hashlib
if not isinstance(x, str):
return False
if not (1 <= len(x) <= 64):
return False
try:
y = bytes((ord(c) ^ 0x55) for c in x)
except ValueError:
return False
return hashlib.sha256(y).hexdigest() == (
"b94d27b9934d3e08a52e52d7da7dabfac484efe37a5380"
"ee9088f7ace2efcde9"
)
def mystery(x):
import hashlib
if not isinstance(x, str):
return False
if not (1 <= len(x) <= 30):
return False
try:
y = bytes((ord(c) ^ 0x20) for c in x)
except ValueError:
return False
return hashlib.sha256(y).hexdigest() == (
"2cf24dba5fb0a30e26e83b2ac5b9e29e1b161e5c1fa7425"
"e73043362938b9824"
)
def mystery(x):
import base64
import codecs
import hashlib
if not isinstance(x, str) or len(x) != 60:
return False
try:
s = codecs.decode(x[::-1], "rot_13")
raw = base64.b64decode(s.encode("ascii"), validate=True)
except Exception:
return False
if len(raw) != 43:
return False
if base64.b64encode(raw).decode("ascii") != s:
return False
return hashlib.sha256(raw).digest()[::-1].hex() == (
"92e5c937bfd0022d76db3c6de451568d"
"4f2e08b0bc9aca699480d707b3fba8d7"
)
def mystery(x):
if not isinstance(x, int) or x <= 0:
return False
found = 0
a = 1
while True:
a3 = a ** 3
if a3 >= x:
break
b = a
while True:
b3 = b ** 3
s = a3 + b3
if s == x:
found += 1
if found >= 3:
return True
if s > x:
break
b += 1
a += 1
return False
def mystery(x):
if type(x) is not int or x <= 1:
return False
n = (
(1 << 4610)
- (1 << 4089)
- (1 << 4003)
- (1 << 3331)
- (1 << 2407)
+ (1 << 3482)
+ (1 << 2810)
+ (1 << 2724)
+ (1 << 1886)
+ (1 << 1800)
+ (1 << 1128)
- (1 << 2203)
- (1 << 1279)
- (1 << 607)
- (1 << 521)
+ 1
)
return x.bit_length() == 1279 and n % x == 0
def mystery(x):
if not isinstance(x, int) or x <= 0:
return False
found = 0
a = 1
while True:
a3 = a ** 3
if a3 >= x:
break
b = a
while True:
b3 = b ** 3
s = a3 + b3
if s == x:
found += 1
if found >= 4:
return True
if s > x:
break
b += 1
a += 1
return False
def mystery(x):
import hashlib
import unicodedata
if type(x) is not str or len(x) != 24:
return False
if any(not (0xFF00 <= ord(c) <= 0xFFEF) for c in x):
return False
try:
y = unicodedata.normalize("NFKC", x).encode("ascii")
except UnicodeEncodeError:
return False
salt = (b"saltSALT" * 4) + b"salt"
got = hashlib.pbkdf2_hmac("sha1", y, salt, 4096, 25)
return got[::-1].hex() == (
"3870f0f24c961a298b4ae4c06236d8c8"
"809b841ce44fec2e3d"
)
def mystery(x):
import hashlib
if not isinstance(x, str):
return False
if not (1 <= len(x) <= 20):
return False
try:
y = ''.join(chr(ord(c) ^ 0xAA) for c in x)
y = y[::-1]
y = y.replace(' ', '').lower()
except ValueError:
return False
return hashlib.sha256(y.encode('utf-8')).hexdigest() == (
"a591a6d40bf420404a011733cfb7b190d62c65bf0bcda32b57b277d9ad9f146e"
)
def mystery(x):
import codecs
import hashlib
import hmac
if type(x) is not str or len(x) != 28:
return False
if any(not (32 <= ord(c) <= 126) for c in x):
return False
try:
msg = codecs.decode(x[::-1], "rot_13").encode("ascii")
except Exception:
return False
key = codecs.decode("Wrsr", "rot_13").encode("ascii")
got = hmac.new(key, msg, hashlib.sha256).digest()
return got[::-1].hex() == (
"4338ec64b958ec9d8339279d083f005a"
"c77595082624046a4e7560bf46c1dc5b"
)