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 Python3 (judge verdict: Accepted)

##たて a cm よこ b cm の長方形の面積と周の長さを求めるプログラムを作成して下さい。
#Input
#a と b が１つの空白で区切られて与えられます。
a,b = map(int, input().split())
s = a * b
l = 2 * (a + b)
print('{} {}'.format(s, l))