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)

import scala.io.StdIn

object Main {
  def main(args:Array[String]) {
    val inputs = StdIn.readLine().split(" ")
    val a = inputs(0).toInt
    val b = inputs(1).toInt
    println((a * b) + " " + (2 * a + 2 * b))
  }
}