#include <iostream>
using namespace std;
int main() {
int w;
cin>>w;
if(w>=4 && (w%2==0)){
cout<<"YES";
}
else{
cout<<"NO";
}
return 0;
}
I2luY2x1ZGUgPGlvc3RyZWFtPgp1c2luZyBuYW1lc3BhY2Ugc3RkOwppbnQgbWFpbigpIHsKCglpbnQgdzsKCWNpbj4+dzsKCQoJaWYodz49NCAmJiAodyUyPT0wKSl7CgkJY291dDw8IllFUyI7Cgl9CgllbHNlewoJCWNvdXQ8PCJOTyI7Cgl9CgoJcmV0dXJuIDA7Cn0=