#include <map>
#include <cstdio>
#include <iostream>
#include <algorithm>

const int N = 5000005;
std::map<std::string, int> mp;
std::string c;

int main() {
	std::string input, str; int tot = 0;
	std::getline(std::cin, input);
	for(int i = 0; i < input.size(); i++) {
		if(input[i] != ' ' && input[i] != '\n' && i != input.size() - 1) str.push_back(input[i]);
		else {
			if(i == input.size() - 1) str.push_back(input[i]);
			if(str[str.size() - 1] == ',' || str[str.size() - 1] == '.' || str[str.size() - 1] == '!' || str[str.size() - 1] == '?') str.pop_back();
			if(str[0] >= 'A' && str[0] <= 'Z') str[0] = str[0] - 'A' + 'a';
			if(mp[str]) {
				str.clear();
			} else {
				mp[str]++;
				tot++;
				str.clear();
			}
		}
	}
	
	int n = 0;
	scanf("%d", &n);
	for (int i = 1; i <= n; i++) {
		std::cin >> c;
		if(mp[c] != 0) {
			tot = tot - mp[c];
			mp[c] = 0;
		}
	} if(tot < 0) tot = 0;
	printf("%d\n", tot);
	return 0;
}