#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("Yes");}else{puts("No");}
#define MAX_N 200005

int main() {
    ll n;
    cin >> n;

    ll l = 1;
    ll r = 2000000007;
    int cnt = 0;
    while(cnt < 100){
        ll m = (l + r) / 2;
        if(m * (m + 1) / 2 == n){
            cout << "YES" << endl;
            cout << m << endl;
            return 0;
        }
        if(m * (m + 1) / 2 < n){
            l = m;
        }else{
            r = m;
        }
        cnt++;
    }
    if(r * (r + 1) / 2 == n){
            cout << "YES" << endl;
            cout << r << endl;
            return 0;
        }
    cout << "NO" << endl;
    return 0;
}