include

using namespace std; int a[99999];

int main() {

int n, m;
cin >> n;;
for (int i = 0; i < n; i++) {
	cin >> a[i];
}
int ans = 0;
cin >> m;
for (int j = 0; j < m; j++) {
	if (a[m - 1] > a[j]) {
		ans++;
	}
}
cout <<ans;
return 0;

}