#include <bits/stdc++.h>

using namespace std;

#define fst(t) std::get<0>(t)
#define snd(t) std::get<1>(t)
#define thd(t) std::get<2>(t)
#define unless(p) if(!(p))
#define until(p) while(!(p))

using ll = long long;
using P = std::tuple<int,int>;

const int dx[8] = {-1, 1, 0, 0, -1, -1, 1, 1}, dy[8] = {0, 0, -1, 1, -1, 1, -1, 1};

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

    ll N;
    std::cin >> N;

    int64_t lb = 0ll, ub = 2000000000ll;

    while(std::abs(ub - lb) > 1){
        int64_t mid = (lb + ub) / 2;

        if(mid * (mid + 1) / 2 <= N){
            lb = mid;
        }else{
            ub = mid;
        }
    }

    if(lb * (lb + 1) / 2 == N){
        std::cout << "YES" << std::endl;
        std::cout << lb << std::endl;
    }else{
        std::cout << "NO" << std::endl;
    }
}