#include <bits/stdc++.h>
using namespace std;
#define INF 1e12
const int N=1e6+5;
typedef pair<int,int> P;
typedef long long ll;
typedef pair<ll,ll>Pll;
typedef __int128 i128;
const ll mod=1e9+7;
typedef long double db;
const db eps=1e-10;
mt19937_64 rnd(time(0));
string low(string x){
    string ans;
    for(auto s:x){
        ans.push_back(tolower(s));
    }
    while(ans.back()<'a'||ans.back()>'z') ans.pop_back();
    return ans;
}
map<string,int>mp;
void solve(){
    string x;
    getline(cin,x);
    stringstream ss;
    ss << x;
    int n;
    cin >> n;
    for(int i=0;i<n;i++){
        string y;
        cin >> y;
        mp[low(y)]++;
    }
    int ans=0;
    while(!ss.eof()){
        string s;
        ss >> s;
        s=low(s);
        if(!mp.count(s)){
            ans++;
            mp[s]++;
        }
    }
    cout << ans << "\n";
}
int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    int t=1;
    //cin >> t;
    while(t--)
    solve();
}