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

$values=fgets(STDIN);

$values=explode(" ",$values);

$area=$values[0]*$values[1];
$cir=(($values[0]*2)+($values[1]*2));

echo $area;
echo " ";
echo $cir;
echo "\n";

?>