n = int(input())
f = 1
ok = True
pre = -1
ac = 0
for c in list(map(int, input().split())):
	f ^= c&1
	ok &= pre < 0 or pre==c
	if pre < 0:
		pre = c
	ac += c
print("Yes" if (f and not ac%n) or ok else "No")