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: Wrong Answer)

a = gets.to_i  
b = gets.to_i


def square(a, b)
  puts "#{a*2 + b*2} #{a*b}"
end

square(gets.to_i, gets.to_i)