#pragma GCC system_header

#ifndef _LIBCXX_IOSTREAM
#define _LIBCXX_IOSTREAM

#include <__config>
#include <ostream>

_LIBCXX_BEGIN_NAMESPACE_STD

extern ostream cout;
extern ostream cerr;
// extern ostream clog;

_LIBCXX_END_NAMESPACE_STD

#endif // _LIBCXX_IOSTREAM