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: WA: Presentation Error)

op1 , op2 = gets.split.map(&:to_i)
ans1 = op1 * op2
ans2 = (op1+op2)*2
print ans1," ",ans2