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#include "stdio.h"
#include <array>

int main() {
	int n, k;
	scanf("%d %d", &n, &k);
	std::array<int, 121> stats = {};
	for (int i = 0; i < n; ++i) {
		int x;
		scanf("%d", &x);
		stats[x]++;
	}

	int res = 0;
	for (int i = 120; i > 0; --i) {
		res += stats[i];
		if (res >= k) {
			break;
		}
	}

	printf("%d\n", res);	

	return 0;
}