题解 | 小欧的奇数

import sys

l = input()

b = input()

arr = []
for m in b.split():
    arr.append(int(m))

flag = "NO"
cnt_j = 0
cnt_o = 0
for i in arr:
    if i % 2 == 1:
        cnt_j = cnt_j + 1
    else:
        cnt_o = cnt_o + 1
    if cnt_j >= 3:
        flag = 'YES'
        break
    if cnt_j >=1 and cnt_o >=2:
        flag = 'YES'
        break


print(flag)