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

$input = explode(' ', fgets(STDIN));
$a     = intval($input[0]);
$b     = intval($input[1]);

echo $a * $b . ' ';
echo (2 * $a) + (2 * $b) . "\n";

?>