#include <stdio.h>

int main() {
    int arr[101] = {0};
    int n = 0;
    scanf("%d", &n);
    for (int i = 0; i < n; i++) {
        int m = 0;
        scanf("%d", &m);
        arr[m]++;
    }
    int x = 0;
    scanf("%d", &x);
    printf("%d", arr[x]);
    return 0;
}