import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;

public class Main {

    public static void main(String[] args) throws Exception {

        InputStreamReader is = new InputStreamReader(System.in);
        BufferedReader reader = new BufferedReader(is);

        List<String> mylist = new ArrayList<>();

        // 標準入力からの値を変数strinputに代入
        String strinput = reader.readLine();

        while (strinput != null) {

            mylist.add(strinput);
            strinput = reader.readLine();

        }

        String s = mylist.get(0);
        int m = Integer.valueOf(mylist.get(1));

        int mysum = 0;
        for (int i = 2; i < 2 + m; i++) {
            String temp = mylist.get(i);
            int sposi = 0;
            while (s.indexOf(temp, sposi) >= 0) {

                sposi = s.indexOf(temp, sposi) + 1;
                mysum += 1;
            }

        }
        System.out.println(mysum);

    }

}