#include <bits/stdc++.h>
using namespace std;
int main(){
	int x;
	cin>>x;
	if(x!=1&&x!=3&&x!=5)
		cout<<"YES"<<endl;
	else
		cout<<"NO"<<endl;
	return 0;
}

using namespace std;
int main(){
	int x;
	cin>>x;
	if(x!=1&&x!=3&&x!=5)
		cout<<"YES"<<endl;
	else
		cout<<"NO"<<endl;
	return 0;
}