Rectangle

Beginner

Python for kids · Lesson 18: Module 1 summary: First steps

Problem Statement

Two lines hold a rectangle's sides. Print its area, and on the second line its perimeter.

Input Format

Two whole numbers a and b (0..1000), each on its own line.

Output Format

Exactly the text from the example.

Examples

Example 1

Input

8
5

Output

40
26