#include <bits/stdc++.h>

using i64 = long long;

int main() {
    std::string t;
    std::getline(std::cin, t);

    std::stringstream r(t);
    std::set<std::string> s;

    auto format = [&](std::string &s) -> void {
        if(not ((s.back() >= 'a' and s.back() <= 'z') or (s.back() >= 'A' and s.back() <= 'Z'))) {
            s.pop_back();
        }
        for(auto &c : s) {
            c = std::tolower(c);
        }
    };

    while(r >> t) {
        format(t);
        s.insert(t);
    }

    int n;
    std::cin >> n;
    for(int i = 0; i < n; i ++ ) {
        std::cin >> t;
        format(t);
        if(s.count(t)) s.erase(t);
    }

    std::cout << s.size() << '\n';
    return 0;
}