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

$input = trim(fgets(STDIN));

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

echo $input[0]*$input[1];
echo " ";
echo $input[0]*2+$input[1]*2; 
echo "\n";