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)

x = require('fs').readFileSync('/dev/stdin', 'utf8');
arr = x.split(" ");
[a, b] =  arr.map(e => parseInt(e));
console.log(a*b+' '+2*(a+b));