n = int(input())
stress = {}

for i in range(n):
    word = input()
    lower_word = word.lower()
    if lower_word not in stress:
        stress[lower_word] = set()
    stress[lower_word].add(word)

text = input().split()
error = 0
for word in text:
    lower_word = word.lower()
    if lower_word in stress and word not in stress[lower_word] or \
            sum(map(str.isupper, word)) != 1:
        error += 1

print(error)