N = int(input())
A = map(int, raw_input().split())

k = 0
g = 0

for i in range(N):
    if A[i] % 2 == 0:
        g += 1
    else:
        k += 1

if N % 2 == 0:
    if 0 < k:
        print('No')
    else:
        print('Yes')
else:
    if k == 0 or k - g == 1:
        print('Yes')
    else:
        print('No')