#include <fstream>
#include <algorithm>

using namespace std;

ifstream fin("sdo.in");
ofstream fout("sdo.out");

const int N_MAX = 3e6;
int v[N_MAX];

int main() {
	int n, k;
	fin >> n >> k;
	for(int i = 0; i < n; ++i)
		fin >> v[i];

	nth_element(v, v + k - 1, v + n);

	fout << v[k - 1] << '\n';

	fin.close();
	fout.close();
	return 0;
}