#include<bits/stdc++.h>
using namespace std;

//constant
const long long int inf = 1<<30;
const int N = 1e5+1;
const int M = 1e5+1;

//variable
long long int n;

//function


int main()
{
    cin>>n;
    long long int l,r,m;
    //cout<<n<<endl;
    l=0;
    r=sqrt(n)*2;
    //cout<<n<<endl;
    while(l<r){
        m=(l+r)/2;
        //cout<<m<<endl;
        if((m*m+m)/2==n){
            break;
        }
        else if((m*m+m)/2>n){
            r=m;
        }
        else{
            l=m+1;
        }

    }
    if((m*m+m)/2==n){
        cout<<"YES"<<endl;
        cout<<m<<endl;
    }
    else if(((m-1)*(m-1)+(m-1))/2==n){
        cout<<"YES"<<endl;
        cout<<m-1<<endl;
    }
    else if(((m+1)*(m+1)+(m+1))/2==n){
        cout<<"YES"<<endl;
        cout<<m+1<<endl;
    }
    else{
        cout<<"NO"<<endl;
        //cout<<m<<endl;
    }



    return 0;
}