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// C1 - Koszulki
#include <iostream>
using namespace std;

int main()
{
	ios_base::sync_with_stdio(0);
	int n, k, a;
	int result;
	long usersCountByPoints[121];
	
	cin >> n;
	cin >> k;
	
	for (int i = 0; i < 121; ++i) {
		usersCountByPoints[i] = 0;
	}
	
	for (int i = 0; i < n; ++i) {
		cin >> a;
		++usersCountByPoints[a];
	}
	
	result = 0;
	for (int i = 120; i > 0; --i) {
		result += usersCountByPoints[i];
		if (result >= k) {
			break;
		}
	}
	
	cout << result;
	
	return 0;
}