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)

arr = gets.chomp.split(" ").map(&:to_i)

ans1 = arr[0] * arr[1]
ans2 = arr[0] * 2 + arr[1] * 2

puts "#{ans1} #{ans2}"