题解（专写水题题解）

#include<bits/stdc++.h>
#define ll long long                                                                  //防抄袭标记
using namespace std;
int n;
int main(){
	cin>>n;
	if(n<4)
		cout<<"NO";
	else if(n%2 == 0)
		cout<<"YES";
	
	else
		cout<<"NO";
	
	return 0;
}