_ main(s) {
  var (z, t) = (17, s);
  while (z > 0) {
    t = s;
    z -= 1;
  }
  return ~ t;
}

{-
    method_id | in | out
TESTCASE | 0  | 1  | -2
TESTCASE | 0  | 5  | -6
-}