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