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
    fscanf(STDIN, "%d%d", $a, $b);
    $s=$a*$b;
    $l=($a+$b)*2;
    echo $s ." ". $l;
?>