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#include <iostream>
#include <algorithm>
using namespace std;

int tab[127]; // ilu ma tyle punktow

int main() {
	ios_base::sync_with_stdio(0);
	
	int n, k;
	cin>>n>>k;
	
	int amax = 0;
	for (int i = 0; i < n; i++) {
		int a;
		cin>>a;
		amax = max(a, amax);
		tab[a]++;
	}
	
	for (int i = amax; i >= 0; i--) {
		tab[i] += tab[i + 1];
		if (tab[i] >= k) {
			cout<<tab[i];
			return 0;
		}
	}
}