def imp(a, b):
return not a or b
def f(a, x):
return imp(x & 9 == 0, imp(x & 19 != 0, x & a != 0))
a = 0
while not all(f(a, x) for x in range(32)):
a += 1
print(a)
ZGVmIGltcChhLCBiKToKICAgIHJldHVybiBub3QgYSBvciBiCgpkZWYgZihhLCB4KToKICAgIHJldHVybiBpbXAoeCAmIDkgPT0gMCwgaW1wKHggJiAxOSAhPSAwLCB4ICYgYSAhPSAwKSkKCmEgPSAwCgp3aGlsZSBub3QgYWxsKGYoYSwgeCkgZm9yIHggaW4gcmFuZ2UoMzIpKToKICAgIGEgKz0gMQoKcHJpbnQoYSk=