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)

num1,num2 = gets.split(' ')
num4 = num1.to_i * num2.to_i
num3 = num1.to_i * 2 + num2.to_i * 2
puts "#{num4} #{num3}"