#include<bits/stdc++.h>
#define int long long
using namespace std;
int n; 
signed main(){
	cin>>n;
	cout<<(n%2==0&&n>=4?"YES":"NO");
	return 0;
}

#include <bits/stdc++.h>
using namespace std;
#define int long long
int n;
signed main(){
	cin>>n;
	if(n==2){
        cout<<"NO";
    }else if(n%2==0){
        cout<<"YES";
    }else {
    	cout<<"NO";
	}
	return 0;
}