//和爸爸一起学编程真好,不过要小学四年级分流考试了,最近没时间写代码了,呜呜呜
#include<bits/stdc++.h>
using namespace std;
#define out(x) cout << #x << '=' << (x) << endl
#define out2(x, y) cout << #x << '=' << (x) << ',' << #y << '=' << (y) << endl 
#define int long long
#define lc u<<1
#define rc u<<1|1
#define pb push_back
#define vt vector
#define fi first
#define se second
#define PII pair<int,int>
#define endl "\n"
#define il inline
typedef unsigned long long ULL;
typedef long long ll;
il int read(){
	int x=0,f=1;char ch=getchar();
	while(ch<'0'||ch>'9'){if(ch=='-')f=-1;ch=getchar();}
	while(ch>='0'&&ch<='9')x=(x<<3)+(x<<1)+(ch^48),ch=getchar();
	return x*f;
}
const ll inf = 0x3f3f3f3f3f3f3f3fLL;
const int infi = 0x3f3f3f3f;
const int P = 13331;
const int N = 200005;

void solve(){
	set<string> s;
	string st;
	while(cin >> st){
		if(st[0] >= '0' && st[0] <= '9') break;
		string tp;
		for(auto p:st){
			if(p >= 'a' && p <= 'z'){
				tp+=p;
			}
			if(p >= 'A' && p <= 'Z'){
				tp+=(char)(p + 32); 
			}
		}
		s.insert(tp);
	}
	int n = stoll(st);

	set<string> se;
	while(n--){
		string s;
		cin >> s;
		se.insert(s);
	}
	int cnt = 0;
	for(auto p:s){
		//cout << p << endl;
		if(se.count(p)) cnt++;
	}
	cout << s.size() - cnt << endl;
}

signed main(){
	std::ios::sync_with_stdio(0);
    std::cin.tie(0);
    std::cout.tie(0);
	int times = 1;
	//cin >> times;
	while(times--){
		solve();
	}
	return 0;
}