#include <bits/stdc++.h>
#define rep(i,n) for(int i=(0);i<(n);i++)

using namespace std;

typedef long long ll;
typedef unsigned long long ull;

int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);

	ull n;
	cin >> n;

	ull t = 8 * n + 1;
	ull s = sqrt(t);

	bool ok = false;
	for(int i = -1; i <= 1; i++){
		if((s + i) * (s + i) == t){
			s = s + i;
			ok = true;
			break;
		}
	}

	if(!ok || (s - 1) % 2 != 0){
		cout << "NO" << endl;
	}else{
		cout << "YES" << endl;
		cout << (s - 1) / 2 << endl;
	}
}