#include <ios>
#include <cassert>
int main()
{
assert(std::ios_base::boolalpha);
assert(std::ios_base::dec);
assert(std::ios_base::fixed);
assert(std::ios_base::hex);
assert(std::ios_base::internal);
assert(std::ios_base::left);
assert(std::ios_base::oct);
assert(std::ios_base::right);
assert(std::ios_base::scientific);
assert(std::ios_base::showbase);
assert(std::ios_base::showpoint);
assert(std::ios_base::showpos);
assert(std::ios_base::skipws);
assert(std::ios_base::unitbuf);
assert(std::ios_base::uppercase);
assert
(
( std::ios_base::boolalpha
& std::ios_base::dec
& std::ios_base::fixed
& std::ios_base::hex
& std::ios_base::internal
& std::ios_base::left
& std::ios_base::oct
& std::ios_base::right
& std::ios_base::scientific
& std::ios_base::showbase
& std::ios_base::showpoint
& std::ios_base::showpos
& std::ios_base::skipws
& std::ios_base::unitbuf
& std::ios_base::uppercase) == 0
);
assert(std::ios_base::adjustfield == (std::ios_base::left
| std::ios_base::right
| std::ios_base::internal));
assert(std::ios_base::basefield == (std::ios_base::dec
| std::ios_base::oct
| std::ios_base::hex));
assert(std::ios_base::floatfield == (std::ios_base::scientific
| std::ios_base::fixed));
}