import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        long N = sc.nextLong();
        long ch=0;
        boolean c=true;
        if(N>(2<<18)){
            System.out.println("NO");
        }else{
        for(long i=0;;i++){
            ch+=i;
            if(ch==N){
                ch=i;
                break;
            }else if(ch>N){
                c=false;
            }
            
        }
        if(c==true){
        System.out.println("YES\n"+ch);
        }else{
            System.out.println("NO");
        }
        }
    }
}