#include<bits/stdc++.h> using namespace std; int main() { int a; cin >> a; if(a == 1) { cout << "NO"; } else if(a == 3) { cout << "NO"; } else if(a == 5) { cout << "NO"; } if(a == 2) { cout << "YES"; } else if(a == 4) { cout << "YES"; } else if(a == 6) { cout << "YES"; } else if(a == 7) { cout << "YES"; } return 0; }