8 кол-во слов

#https://inf-ege.sdamgia.ru/problem?id=7306
alph = 'УЧЕНИК'
cnt = 0
for q in alph:
    for w in alph:
        for e in alph:
            for r in alph:
                for t in alph:
                   s = q+w+e+r+t
                   if s[0] == 'У' and s[4] == 'К':
                        cnt += 1
print(cnt)