N = int(input())
a = list(map(int,input().split()))

if sum(a) % N == 0:
	if N % 2 == 0:
		o = 0
		e = 0
		for i in a:
			if i % 2 == 0:
				e += 1
			else:
				o += 1
		if o * e == 0:
			print('Yes')
		else:
			print('No')
	else:
		print('Yes')
else:
	print('No')