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)

var stdin = require('fs').readFileSync('/dev/stdin', 'utf8');

var inputs = stdin.toString().trim().split(' ');

var a = parseInt(inputs[0], 10);
var b = parseInt(inputs[1], 10);

console.log(a * b, 2 * (a + b));