Rectangle

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

inputFormat

Input

The length a and breadth b of the rectangle are given in a line separated by a single space.

outputFormat

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

样例

3 5

15 16