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: WA: Presentation Error)

<?php
$input = trim(fgets(STDIN));
$length = explode(' ', $input);
$sum = $length[0] * $length[1];
$totalLength = ($length[0] + $length[1]) * 2;
echo $sum . " " . $totalLength;