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 PHP (judge verdict: Wrong Answer)

<?php
	$str = trim(fgets(STDIN));
	echo $str,PHP_EOL;
	$x = preg_split("/ /",$str);
	//var_dump($x);  
	echo $x[0]*$x[1]," ",($x[0]+$x[1])*2;
?>