class Autocomplete:
    def __init__(self):
        self.hash = {}

    def get_word(self, prefix):
        auto_words = self.hash.get(prefix)
        if auto_words and len(auto_words) == 1:
            return auto_words[0]
        return None

    def add_in_dict(self, word):
        for i in range(1, len(word) + 1):
            prefix = word[0: i]
            if prefix in self.hash:
                if word not in self.hash[prefix]:
                    self.hash[prefix] = self.hash[prefix] + [word]
            else:
                self.hash[prefix] = [word]


result = 0
auto_complete = Autocomplete()

n = int(input())
words = str(input())
words = words.split()[0:n]

for word in words:
    auto_complete_flag = False
    count = 0

    for i in range(1, len(word) + 1):
        count += 1
        prefix = word[0: i]
        auto_word = auto_complete.get_word(prefix)
        if auto_word and auto_word == word:
            autocompl_flag = True
            break

    if not auto_complete_flag:
        auto_complete.add_in_dict(word)

    result += count

print(auto_complete.hash)
print(result)