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)

object Main {
  def main(args:Array[String]) {
    val sc = new java.util.Scanner(System.in)
    val a = sc.nextInt  
    val b = sc.nextInt
    println(s"${a*b} ${2*(a+b)}")
  }
}