import java.util.*;
public class Main {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        Map<Integer, Integer> m = new HashMap<>();
        int n = sc.nextInt();
        while (n-- > 0){
            int k = sc.nextInt();
            if(m.containsKey(k)) m.put(k, m.get(k) + 1);
            else m.put(k, 1);
        }
        int k = sc.nextInt();
        if(!m.containsKey(k)) m.put(k, 0);
        System.out.println(m.get(k));
    }
}