Competitions

# PP2. Week 5: April 5 - 11

# Prime number?

Check if the given number is prime. The number is prime if it has no more than two divisors: **1** and the number itself.

#### Input

One positive signed **32**-bit integer **n**.

#### Output

Print "**Yes**" if the number is prime, and "**No**" otherwise.

Input example #1

5

Output example #1

Yes

Input example #2

12

Output example #2

No