#include <iostream>
#include <vector>
#include <algorithm>
#include <iterator>
#include <array>
#include <map>
#include <stack>
#include <queue>
#include <set>

using namespace std;

long long calc(long long x) {
    return x * (x + 1) / 2;
}

int main() {

    long long n;
    cin >> n;

    long long a = 1;
    long long b = 2000000000LL;

    long long result = -1;
    while (a <= b) {
        long long c = (a + b) / 2;
        long long x = calc(c);

        if (x == n) {
            result = c;
            break;
        } else if (x < n) {
            a = c + 1;
        } else {
            b = c - 1;
        }

    }

    if (result != -1) {
        cout << "YES" << "\n";
        cout << result << "\n";
    } else {
        cout << "NO" << "\n";
    }


    return 0;
}