#410. Is it a prime number?
You get n. Print `Yes` if it is a prime number, otherwise `No`.
### Input
One integer n (1 ≤ n ≤ 10⁷).
### Output
`Yes` or `No`.
Examples
Input
9973
Output
Yes
Input
2
Output
Yes
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.