7.39

n = 0
x = int(input())
m = None
if x % 2:
	m = x
if x > 100:
	n += 1
while x != 0:
	x = int(input())
	if x < 100:
		n += 1
	if x % 2 == 0:
		if x < m and x != 0:
			m = x
if n > 0:
	print('YES', m)
else:
	print('NO', m)