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 JavaScript (judge verdict: Accepted)

'use strict';                                                               
 (function(stdin) {
     var lines = stdin.toString().split('\n');
     var param = lines[0].split(' ').map(Number);
     var a = param[0];
     var b = param[1];
     console.log(
       a * b , a * 2 + b * 2);
 }(require('fs').readFileSync('/dev/stdin', 'utf8')));