include

using namespace std; int a[30005];

int main() {

int n;

cin >> n;

for (int i = 0; i < n; i++) {
	cin >> a[i];

}
int m;
cin >> m;
int count = 0;
count = 0;
for (int i = m - 1; i >= 0; i--) {
	if (a[m - 1] > a[i]) {
		count++;
	}
}

cout << count;
return 0;

}