№8 — #8166

from itertools import *
k = 0
for w in product('01234567', repeat=5):
    s = ''.join(w)
    if s[0] != '0' and sum(int(c) % 2 == 0 for c in s) == 2 and '00' not in s and s[-1] in '0246':
        k += 1
print(k)