#include <fstream>
#include <algorithm>

using namespace std;

long i, n, k, a[3000010];

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

	fin>>n>>k;

	for (i = 1; i <= n; ++i) {
		fin>>a[i];
	}

	nth_element(a + 1, a + k, a + n + 1);
	fout<<a[k];
	return 0;
}