#include<bits/stdc++.h>
using namespace std;
int main(){
   int w,i;
   cin>>w;
   if(w % 2 == 0 && w != 2){
   	  cout<<"YES"<<endl;
   }else{
   	  cout<<"NO"<<endl;
   }
}

/**************************************************************
	Problem: 1544
	User: admin
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/