#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

constexpr ll INF = 7e18;
inline ll satulating_mul(const ll a, const ll b) {
  if (b == 0) return 0;
  if (a > INF / b) return INF;
  return a * b;
}

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  ll n;
  cin >> n;
  ull l = 0, r = INF;
  while (r - l > 1) {
    ull x = (l + r) / 2;
    (satulating_mul(x, x + 1) / 2 <= n ? l : r) = x;
  }
  if (l * (l + 1) / 2 == n) {
    cout << "YES" << '\n';
    cout << l << '\n';
  }
  else {
    cout << "NO" << '\n';
  }
  return 0;
}