#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	long long n;
	cin >> n;
	long long left = 1, right = 2000000000;
	auto calc = [&](long long x) {return x * (x + 1) / 2;};
	while(left <= right) {
		long long mid = (left + right) / 2;
		long long res = calc(mid);
		if(res == n) {
			cout << "YES" << endl << mid << endl;
			return 0;
		}
		if(res < n) left = mid + 1;
		else right = mid - 1;
	}
	cout << "NO" << endl;
	return 0;	
}