#include #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rrep(i, n) for (int i = (int)(n - 1); i >= 0; i--) #define all(x) (x).begin(), (x).end() #define sz(x) int(x.size()) using namespace std; typedef long long ll; const int INF = 1e9; const ll MOD = 1e9 + 7; const ll LINF = 1e18; template void get_unique(vector& x) { x.erase(unique(x.begin(), x.end()), x.end()); } template bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } return 0; } template bool chmin(T& a, const T& b) { if (b < a) { a = b; return 1; } return 0; } template vector make_vec(size_t a) { return vector(a); } template auto make_vec(size_t a, Ts... ts) { return vector(ts...))>(a, make_vec(ts...)); } template ostream& operator<<(ostream& os, vector v) { for (int i = 0; i < sz(v); i++) { os << v[i]; if (i < sz(v) - 1) os << " "; } return os; } int main() { ll a; cin >> a; cout << (a > 3 && a % 3 == 0 ? "YES\n" : "NO\n"); }