Problem:
Rectangle

Write a program which calculates the area and perimeter of a given rectangle.

Input

The length a and breadth b of the rectangle are given in a line separated by a single space.

Output

Print the area and perimeter of the rectangle in a line. The two integers should be separated by a single space.

Constraints

1 ≤ a, b ≤ 100

Sample Input 1

3 5

Sample Output 1

15 16

Solution in Scala (judge verdict: Accepted)

/**
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  */
object Main {
  def main(args: Array[String]): Unit = {
    val seqPair = io.StdIn.readLine().split(" +").map(_.toInt).toSeq
    val (a, b) = seqPair match { case Seq(x, y) => (x, y) }
    val area = a * b
    val length = 2 * a + 2 * b
    println(s"$area $length")
  }
}