Write a program which calculates the area and perimeter of a given rectangle.

Constraints

* 1 ≤ a, b ≤ 100

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.

Example

Input

3 5


Output

15 16
#coding: utf-8

a = map(int, raw_input().split())

S = a[0] * a[1]
l = 2 * a[0] + 2 * a[1]
print str(S)+" "+str(l)