#include <fstream>
#include <algorithm>

const int nmax = 3e6 + 5;

int v[nmax];

int main() {
	std::ifstream fin("sdo.in");
	std::ofstream fout("sdo.out");
	int n, k;
	fin >> n >> k;
	for (int i = 1; i <= n; i++) fin >> v[i];
	std::nth_element(v + 1, v + k, v + n + 1);
	fout << v[k];
}