main() {
  assert((1 == 1) == true, 99);
  assert((1 == 2) == false, 99);

  assert((1 != 2) == true, 99);
  assert((1 != 1) == false, 99);

  assert((2 > 1) == true, 99);
  assert((1 > 1) == false, 99);

  assert((1 >= 1) == true, 99);
  assert((0 >= 1) == false, 99);

  assert((1 < 2) == true, 99);
  assert((2 < 1) == false, 99);

  assert((1 <= 1) == true, 99);
  assert((2 <= 1) == false, 99);

  return;
}