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 Ruby (judge verdict: Accepted)

nums = gets.chomp.split(" ").map { |i| i.to_i }
r1 = nums[0] * nums[1] 
r2 = (nums[0] + nums[1]) * 2
puts "#{r1} #{r2}"