A pair of stars

Beginner

Python for kids · Lesson 21: if - when the condition is true

Problem Statement

Read two numbers a and b. If they are equal, print **. Then (always) print their sum.

Input Format

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

Output Format

Exactly the text from the example.

Examples

Example 1

Input

4
4

Output

**
8

Example 2

Input

4
5

Output