#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

int main(){
  ll M; cin >> M;
  ll bot = 0, top = 2e9;
  while(bot+1 < top){
    ll mid = (bot+top)/2;
    ll sum = mid*(mid+1)/2;
    if(sum == M){
      cout << "YES" << endl << mid << endl;
      return 0;
    }
    if(M < sum) top = mid;
    else bot = mid;
  }
  cout << "NO" << endl;
}