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 extends App {
    val parms = StdIn.readLine().split(" ").iterator
    val a = parms.next.toInt
    val b = parms.next.toInt
    printf("%d %d\n", a * b, 2 * (a + b))
}