Little Red Riding Hood inherited an enormously large number of Candies from her father's Candy factory. Now she wants to divide these candies equally among her and her horse Hood. After the division, both Red and Hood get an equal, integral number of candies. Your task is to find out whether this is possible or not.

Constraints

1 ≤ N ≤ 10^(10^5)

Input
The first line of input contains N

Output
Output a single line containing "YES" or "NO"

Example
Input:
1291901284091794073817410275012865216851

Output:
NO

Explanation
The given number cannot be divided equally into two parts.

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