import java.util.*;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		long N = sc.nextLong();
		long ans = binarysearch(N);
		if (ans!=-1) {
			System.out.println("YES");
			System.out.println(ans);
		} else {
			System.out.println("NO");
		}
	}

	static long binarysearch(long x) {
		long low=0L;
		long high=20_000_000_000L;

		while (low<=high) {
			long mid=(low+high)/2;
			long guess=f(mid);
			if (guess==x) {
				return mid;
			} else if (guess > x) {
				high = mid-1;
			} else {
				low = mid+1;
			}
		}
		return -1;
	}

	static long f(long x) {
		return x*(x+1)/2;
	}
}