i.py

def stress_test(sentence, words):
    def has_no_stress(word):
        return word == word_lower

    def has_more_than_one_stress(word):
        upper_count = 0
        for c in word:
            if c.isupper():
                upper_count += 1
                if upper_count > 1:
                    return True
        return False

    dictionary = {}
    for word in words:
        word_lower = word.lower()
        if word_lower not in dictionary:
            dictionary[word_lower] = set()
        dictionary[word_lower].add(word)

    errors = 0
    for word in sentence.split():
        word_lower = word.lower()
        incorrect_stressing = word_lower in dictionary and word not in dictionary[word_lower]
        if incorrect_stressing or has_no_stress(word) or has_more_than_one_stress(word):
            errors += 1

    return errors


assert stress_test('thE pAge cAnnot be found', ['cAnnot', 'cannOt', 'fOund', 'pAge']) == 2
assert stress_test('The PAGE cannot be found', ['cAnnot', 'cannOt', 'fOund', 'pAge']) == 4
assert stress_test(
    'ciFqrfIxe LgvqquN zvdlhnXJ tizFPXtv JxqWqgnR CabaJ hFYoqbhH UyfiTXO YvAylvnc ymtHHfnqh bmTLsEnh hikroekt dtVSftFBz ofQrMfo jGTGofv dVRwfJw UaRfzE wbjjGsM xKcezhleq XskqyXtl pWCkyr JcuiiawHw hHBbOV pIfztqkuo PNbjXhtoi lvthZdUc oozdiZCq xDdnpRqsD HDfocjpl aziTbCh jsJMkTpaG voKfnjYb ADtpndbo gwOkCvJs hGnvtbM NkFodqOwy BOgxWv qzMsbelpO tlQnic QlxjhTzNj OZvzmoNX NlbLsjq OvkpysLzc BFCjEESh aiLyKJas zhJbcdu vqxrKhgke BsEikapC aCCoHAFR qNSYNouc TboUQd bOJWCAy NiNkHPmA wsGXhub xIvDhv qeGgpTBkd XPOkfsxz bbgcyuWq YHioAxh mngcZbpgh qgbfVztk JMusos ogpskgdN HUmedvmA GhhpYKH vduijcpv rfMZlB rvpodvq UogggJX yhnKvOpz cKQHazal xdXpPMCzn zaYdrbic FYDsrfaF kFpUcXtY jihQVZ nhpgJXoT rwJokNFH eGvoNulk LugdwQRbl xlRQdy mOrvmCmhG tJpEDolo zLhXCegyl Orrnefa sQqsjckkm BaadhPSXa vLmbthY mlwXEbpns oLctMjmM spQHUtA qnxUrLGo ScAndtRh apdwiTV odtrlufr zkrreoWHT wbOJLyIvn TDPtdjFp CJtnhbNr ohkLVpww vJLdOfp ctswuolD kuIdtiWLq pHQvvlN uzEgrQhpG ncHyqZzt gkntqtmx ZAvUjYgJ hbjSXnN URnTcdbRk wMdRlrQ ilpvgMpja oIjXxmG sdnIJTkk bFvhViK dpdtgpt CembyhyMM RcBIirR rWyYzJfc UNbTfQQ plxhCpee bUbkgdDF JTgQAQhvp onFayvlm rykjyldhw xAuEnxF phbhlXB xxDDxfSfM aPHXcXsag sTseOhrrY MMiaCH avfBbeIfl hrtuxe zJlubLs Wwwdjvc JBnqWcAl hDXOdeHZr Nelvhp ydmbzqym kzbCxuN rNQCDbeqB VRaax yykZbEzOc XomeWckS jBrCrHrx FzGrd YvfUzRryb YYPSRO wxBazrm EkezBXg aUiYcod aTtjEEpz WczSYbDx tlFeIKB LlSQDtyVa iMGfoQ WyXVU wakvcqSU loKOoSnzA pWywmptia RcEMjACB bfyrkwpLp iSofdn SacAoja uIkcgpWnM dkqErpG nkxTwHfh srejafR rjXxUCQ BCstjy LBdeArjn SbunWWcd FmTkfGwh nyGRjOi VlZjliwD lQhjguWx IkemfP VGfqFBuiN aYrbvKu iabtpq QnjzcKE sffhhZYY JuooLppkr LqyjiBC WySPUmsQb CXjftV TmtgreN cicNuaor YIgdgc vTFwiGktI TNFmWdHU DpfEtwtf zssykzEsf xcsCKfnaS OBEwUVkzg PgArpsz RmUcaQels JmJaqn IcXnrvhkg vgkOPzmv BezbGaMfb bnjTmLse TnkNLq CxfpAoD slhLtnoaP jnppioo STcoufpS XmRtQqd yDpbsld qrVIEXn VZhmozgvr zuELbtea WiOopcPg vRwLRoy TyJkPUvOq yZSsjoi AzlwLPf suwNmPrzF kuJeUivG EnTHwlj XpZkNZH xygjBcx bTytkWFW ygKis iwjgktgw DzFDkhb elWPfddxy TyvlSNVR OBqjNCtXI cSYxJTb DqedLuqN vxikfztEc AbcQgnxiS bdCmDnn VbLDUWsz eeuucmp osIYklu sLXmxRipG yswHjZayD bMihpnRs lmyVpf gtfkgpmbB buPjpqli yxFSIu Ggjzeqm dTqrvPtei XduXypxn BykKgHhqe ewcUDvM lxWoiXBT HeqhAZu ialinsqW lcNzJmK yCKPbQrz hOjxGWvPq HgenCiuw QnWaEtz lRvwixAj otnJuciJ qtNWZPtL tJYiHzUiG rNhaIjil Oggvgmdq nhylWth VhrHlcnJV ceHFAVnU udtpWoJ wiQAeN mUkmTUv BqnLMdeSy kiffoynx vsnzxZe QbyfijgM ecxxWebWo TFoLnXouN SldaeWjV fuXlPWzBg qNNShyw avvNUgmP lhblkew svZdutKT avlFkl Afntea NrGVToH Hlvkxnut NbNbQXnc ugqqBFWcq bphIBvYpz FuuAUB CnqFfWxy lNdVncXmk UBvozFuqz muVHqMpa vcyQgcXN lfzcMdN eMmz ehXopYXAg GjBapgXVY qimorSZZt YEyoXzclm eUlyvxi aFrOSW htxGkVuJ ydszmKyb zAvzlkXM oRQizsGBz gZodlbKg pwQSugvyq MOvfpsCs tGNJBf lZqEdtPD sHYmFjcH wkRltsoYz qkWmhhBJ wgATDnhc HnbkMwnRv oSolCjBj xyQfzgenj xBtaqrEj eoCCfSg xYgfXZ htSgaFlbt DPrfLUw bdhrUaqT IabsomJE cyVtEg SMntmDjx jwwkwJkRo HeFyGSaTh KiSTzh dBCcqt vnAunEzf kGzwbur qmkMBbGCw Tdkunrkh YrYVnrbC muJSHjn Unuwgjfj ObbZfLsWd UjmxpJN KNlbLhF jFlbrLf pyOglEK',
    []) == 296


def main():
    n = int(input())
    words = [input() for _ in range(n)]
    sentence = input()
    print(stress_test(sentence, words))


if __name__ == '__main__':
    main()