#include <iostream>
using namespace std;

unsigned int a, b, c;

int main()
{

   cin >> a;

   b = a / 2;
   c = a % 2;

   if(c == 0)
   {

       for(int r = 0; r <= 100; r+=2)
       {
            if(b == r)
            {
                cout << "YES";
                return 0;
            }
       }

   }

   cout << "NO";
}