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)

a,b=gets.split(' ')
a=a.to_i
b=b.to_i
s=a*b
l=2*a+2*b
printf('%f'' ''%f\n',s,l)