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)

input = gets.chomp.split(" ")
length = input[0].to_i
width = input[1].to_i

answer1 = length*width
answer2 = 2*(length + width)

puts "#{answer1},#{answer2}"