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 extends App {
	val strAry = io.StdIn.readLine().split(' ')
	
	val num1 = strAry(0).toInt
	val num2 = strAry(1).toInt
	
	// 面積
	val area = num1 * num2
	
	// 周の長さ
	val l = num1 * 2 + num2 * 2
	
	println(area + " " + l)
}