#include <bits/stdc++.h>
using namespace std;
long long f(int x){ return (1+x)*x/2; }

int main(void){
    long long x;
    cin>>x;
    int i=1;
    while(f(i)<x) i*=2;
    int l=i/2, r=i;
    while(l<=r){
        if(f((l+r)/2)==x){
            cout<<"YES\n"<<(l+r)/2<<endl;
            return 0;
        }
        if(f((l+r)/2)>x) r=(l+r)/2-1;
        else l=(l+r)/2+1;
    }
    cout<<"NO"<<endl;
}