object Problem188 {

  def proc: Int = {
    val d = Seq(31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31)
    val md = (1 to 12).zip(d)

    val happyDays = md map { case (month, days) =>
      (1 to days).count(day => month == (day / 10 + day % 10))
    }

    happyDays.sum
  }

  def main(args: Array[String]) {
    val result: Int = proc
    println(result)
  }
}