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: Accepted)

<?php
  
list($x, $y) = explode(" ", trim(fgets(STDIN)));
  
$s = $x * $y;
$r = ($x*2) + ($y *2);
  
echo $s." ".$r.PHP_EOL;