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
import sys

for line in sys.stdin:
    A=line.split()
    B=map(int,A)
    S=B[0]*B[1]
    l=(B[0]+B[1])*2
    print S,l