#include <iostream>
using namespace std;

unsigned int a, c;

int main()
{

   cin >> a;

   for(int i = 0; i < 100; i+=2)
   {
        a = a - 2;
        c = a;
       if((c % 2) == 0)
       {
           cout << "YES";
           return 0;
       }
   }

   cout << "NO";
}