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)

$<.each do |line|
    area = 1
    round = 0
    line.split(" ").each {|s|
        area = area * s.to_i
        round = round + s.to_i * 2
    }
    puts area.to_s + " " + round.to_s
end