Semi-Prime

Time Limit: 2 Seconds
Memory Limit: 65536 KB

* Prime Number Definition *

An integer greater than one is called a prime number if its only positive divisors (factors) are one and itself. For instance, 2, 11, 67, 89 are prime numbers but 8, 20, 27 are not.

* Semi-Prime Number Definition *

An integer greater than one is called a semi-prime number if it can be decompounded to TWO prime numbers. For example, 6 is a semi-prime number but 12 is not.

Your task is just to determinate whether a given number is a semi-prime number.

**Input**

There are several test cases in the input. Each case contains a single integer N (2 <= N <= 1,000,000)

**Output**

One line with a single integer for each case. If the number is a semi-prime number, then output "Yes", otherwise "No".

**Sample Input**

3

4

6

12

**Sample Output**

No

Yes

Yes

No

Author:

**LIU, Yaoting**
Source:

**Zhejiang University Local Contest 2006, Preliminary**
Submit
Status