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",$x,$y);
 $s=$x*$y;
 $l=($x+$y)*2;
 echo $s. " ".$l;
?>