#include <cstdio>
#include <algorithm>
#include <fstream>
#define maxN 3000005
using namespace std;

int n, k, i, a[maxN];
int main () {
	ifstream fin ("sdo.in");
	freopen ("sdo.out", "w", stdout);
	fin >> n >> k;
	for (i = 1; i <= n; i++) fin >> a[i];
	random_shuffle (a + 1, a + n + 1);
	sort (a + 1, a + n + 1);
	printf ("%d\n", a[k]);
}