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
$Rectangle=trim(fgets(STDIN));
$ab = explode(" ", $Rectangle);
if($ab[0]<=1 && $ab[1]<=100){
    echo (int)($ab[0]*$ab[1])." ".(int)($ab[0]+$ab[1]+$ab[0]+$ab[1]);
}
?>