#include <vector>
#include <iostream>
#include <set>
#include <map>
#include <stack>
#include <iomanip>
#include <algorithm>
#include <numeric>
using namespace std;

const double INF = 2e9;
const double EPS = 1e-8;

int main()
{
    long long n;
    cin >> n;
    long long L = 0, R = 1000000000;
    while (R - L > 1)
    {
        long long M = (R + L) / 2;
        if (M * (M + 1) <= 2 * n)
        {
            L = M;
        }
        else
        {
            R = M;
        }
    }
    if (L * (L + 1) == 2 * n)
    {
        cout << "Yes" << endl;
        cout << L << endl;
    }
    else
    {
        cout << "No" << endl;
    }
}