#include<bits/stdc++.h>
using namespace std;
int main(){
	int n;
	cin>>n;
	if(n%2==0&&n>2) cout<<"YES"; 
	else cout<<"NO";
    return 0;
}
/**************************************************************
	Problem: 1544
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/