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
    fscanf(STDIN,"%d %d",$a,$b);
    echo $a*$b .' ', 2*($a+$b) , "\n";
 ?>