#include <stdio.h>
#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
#include <functional>
#include <map>
#include <iomanip>
#include <math.h> 
#include <stack>
#include <queue>
#include <bitset>
#include <cstdlib>
#include <tuple>
#include <cctype>
#include <ctype.h>
#include <set>

using namespace std;

int main() {
	long long i, j, k;
	long long n;

	cin >> n;

	long long add = 1;

	if (n >=      100000000000000) {
		add =     10000000;
	}
	else if (n >= 100000000000) {
		add =     100000;
	}
	else if (n >= 100000000) {
		add =     10000;
	}
	else if (n >= 100000) {
		add =     100;
	}

	bool flag = false;

	for (i = add; i < n; i+=add) {  //ｎ（ｎ＋１）／２
		long long num = i*(i + 1) / 2;
		if (num == n) {
			cout << "YES" << endl;
			cout << i << endl;
			getchar();
			getchar();
			return 0;
		}
		if (num > n && flag == false) {
			i -= add;
			add = add / 100;
			if (add <= 1) {
				add = 1;
				flag = true;
			}
		}
		if (num > n && flag == true) {
			cout << "NO" << endl;
			getchar();
			getchar();
			return 0;
		}
	}




	getchar();
	getchar();
	return 0;
}