code forces Watermelon

/*
 * Watermelon.cpp
 *
 *  Created on: 2013-10-8
 *      Author: wangzhu
 */

/**
 * 若n是偶数，且大于2，则输出YES，
 * 否则输出NO
 */
#include<cstdio>
#include<iostream>
using namespace std;
int main() {
    int n;
    while (~scanf("%d", &n)) {
        if (n >  && (n & ) == ) {
            printf("YES\n");
        } else {
            printf("NO\n");
        }
    }
    return ;
}