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.{readLine,readInt}

object Main extends App {
  val line = readLine.split(" ").map( _.toInt )
  println( line(0)*line(1) + " " + (line(0)+line(1))*2 )
}