n=int(input())
if(n%2==0 and n>2):
print("YES")
else:
print("NO")
#include <iostream>
using namespace std;
int main()
{
int x;
//cout << " enter number : " << endl;
cin >> x;
if (x % 2 == 0 && x != 2)
cout << "Yes" << endl;
else
cout << "No" << endl;
}
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