#include <fstream>
#include <algorithm>

using namespace std;

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

constexpr int MAX_N = 3000005;
int N, K, i, x[MAX_N];

int main() {
	fin >> N >> K;
	for (i = 1; i <= N; i++)
		fin >> x[i];

	nth_element(x + 1, x + K, x + N + 1 );
	fout << x[K];

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