import java.util.*;

public class Main {
    static final long MAX = (long)Math.sqrt(Long.MAX_VALUE);
	public static void main (String[] args) {
    	Scanner sc = new Scanner(System.in);
    	long n = sc.nextLong() * 2;
    	long left = 0;
    	long right = MAX;
    	while (right - left > 1) {
    	    long m = (left + right) / 2;
    	    if (m * (m + 1) <= n) {
    	        left = m;
    	    } else {
    	        right = m;
    	    }
    	}
    	if (left * (left + 1) == n) {
    	    System.out.println("YES");
    	    System.out.println(left);
    	} else {
    	    System.out.println("NO");
    	}
    }
}