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#include <iostream>

using namespace std;

#define MAX_POINTS 120

int main() {

	int n, k, a;
	cin >> n;
	cin >> k;


	int points[MAX_POINTS + 1];
	for (int i = 0; i <= MAX_POINTS; i++)
		points[i] = 0;

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


	int kos = 0, i = MAX_POINTS;

	while (k > 0) {
		kos += points[i];
		k -= points[i];
		i--;
	}

	cout << kos << endl;

	return 0;
}