fun toString(grade: String): String {
  { // BLOCK
    val tmp_0: String = grade
    when {
      EQEQ(arg0 = tmp_0, arg1 = "A") -> return "Excellent"
      EQEQ(arg0 = tmp_0, arg1 = "B") -> return "Good"
      EQEQ(arg0 = tmp_0, arg1 = "C") -> return "Mediocre"
      EQEQ(arg0 = tmp_0, arg1 = "D") -> return "Fair"
      else -> return "Failure"
    }
  }
  return "???"
}
