import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
while (scanner.hasNext()) {
int n = scanner.nextInt();
if (n == 0) break;
int[] scores = new int[n];
for (int i = 0; i < n; i++) {
scores[i] = scanner.nextInt();
}
int target = scanner.nextInt();
int ans = 0;
for (int score : scores) {
if (score == target) {
ans++;
}
}
System.out.println(ans);
}
}
}

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