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#include <bits/stdc++.h>
#define rep(i, a, b) for (int i = a; i <= b; i++)
#define per(i, a, b) for (int i = b; a <= i; i--)
#define cat(x) cerr << #x << " = " << x << '\n';
using ll = long long;
using namespace std;

int n, k, cnt[121];

int main() {
	cin.tie(0)->sync_with_stdio(0);

	cin >> n >> k;
	while (n--) {
		int a;
		cin >> a;
		cnt[a]++;
	}

	int s = 0;
	for (int i = 120; s < k; s += cnt[i--]);

	cout << s << '\n';
	return 0;
}