S64
#define S64(x) (B((x), 0, 7) | B((x), 1, 6) | B((x), 2, 5) | B((x), 3, 4) | \
#define S64(b,x) (((x) >> (b)) | ((x) << (64 - (b))))
typedef int64_t S64;
typedef int64_t S64;
} S64;
} S64;
} S64;
typedef long long S64;