#4. Goldbach's conjecture ( Special Judge Test )

At the end of 2018, a Zhihu user "证明" announced that he had proved a Goldbach's conjecture and would post it online on the first day of 2019.

While his proof makes nearly all Zhihuer laugh because it is 'not even wrong'. For more details, please click here.

Now you want to verify the conjecture is correct when the even number is 'small'. You need to find two prime number and that the sum of them is .

The input contains only a even number .

Output two prime number and . If there is multiple answers, output any one of them. If there is no answer of the given , please show your result to the world.

Sample Input

10

Sample Output

3 7

We guarantee is even.

In the sample case, if the output "5 5" is also acceptable.