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#include <iostream>

int main() {
	int k, n;
	std::cin >> k >> n;
	int score[121] = { 0 };
	while (k--) {
		int a;
		std::cin >> a;
		++score[a];
	}
	int total = 0;
	for (int i = 120; i > 0; --i) {
		total += score[i];
		if (total >= n) break;
	}
	std::cout << total << std::endl;
	return 0;
}