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 reg(a:Int,b:Int):Unit = {
    print(a*b)
    print(" ")
    println(2*(a+b))
  }
  def main(args:Array[String])={
    var sc = new java.util.Scanner(System.in)
    val a = sc.nextInt
    val b = sc.nextInt
    reg(a,b)
  }
}