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#include<iostream>
using namespace std;

int main()
{
	int n, k;
	int tp = 0;
	int p[121] = { 0 };
	cin >> n >> k;
	while (n-- > 0)
	{
		int t;
		cin >> t;
		p[t]++;
	}
	for (int i = 120; tp < k; i--)
		tp += p[i];
	cout << tp;

	return 0;
}