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 java.util.Scanner

object Main {
  def main (args: Array[String]) = {
    val in = new Scanner(System.in)
    val a = in.nextInt
    val b = in.nextInt

    println((a * b) + " " + ((a + b) * 2))
  }
}