import sys
if sys.platform =='ios':
	import clipboard
	a=clipboard.get()
	a = a.split('\n')
	text = '\n'.join(a)
	with open('input_file.txt','w') as f:
		f.write(text)
	sys.stdin = open('input_file.txt')
	
n = int(input())
if n >= 10**18:
	exit(print("NO"))
ans = 0
for i in range(int((n)**0.5),n//2):
	ans = i*(i+1)//2
	if ans == n:
		exit(print("YES",i,sep="\n"))