using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;

class TEST{
	static void Main(){
		Sol mySol =new Sol();
		mySol.Solve();
	}
}

class Sol{
	public void Solve(){
		
		long r = (long) 2e9;
		long l = 1;
		while(r - l > 1){
			var c = (l + r) / 2;
			if(c * (c + 1) <= 2 * N){
				l = c;
			} else {
				r = c;
			}
		}
		if(l * (l + 1) == 2 * N){
			Console.WriteLine("YES");
			Console.WriteLine(l);
		} else {
			Console.WriteLine("NO");
		
		}
		
	}
	long N;
	public Sol(){
		N = rl();
	}

	static String rs(){return Console.ReadLine();}
	static int ri(){return int.Parse(Console.ReadLine());}
	static long rl(){return long.Parse(Console.ReadLine());}
	static double rd(){return double.Parse(Console.ReadLine());}
	static String[] rsa(char sep=' '){return Console.ReadLine().Split(sep);}
	static int[] ria(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>int.Parse(e));}
	static long[] rla(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>long.Parse(e));}
	static double[] rda(char sep=' '){return Array.ConvertAll(Console.ReadLine().Split(sep),e=>double.Parse(e));}
}