#include <iostream> //designed by hu 2025-10 using namespace std; int main(){ //ugly 丑陋 an ugly duckling 丑小鸭 int w; cin >> w; if( w ==1 ) { cout<<"NO"; } else if( w ==3 ) { cout<<"NO"; } else if( w ==5 ) { cout<<"NO"; } else{ cout << "YES"; } return 0; }