#include <stdint.h>
namespace std {
    using uint8_t = ::uint8_t;
    using int8_t = ::int8_t;
    using uint16_t = ::uint16_t;
    using int16_t = ::int16_t;
    using uint32_t = ::uint32_t;
    using int32_t = ::int32_t;
    using uint64_t = ::uint64_t;
    using int64_t = ::int64_t;
    using uintptr_t = ::uintptr_t;
}