#include <fstream>
#include <algorithm>
using namespace std;

#define in "sdo.in"
#define out "sdo.out"
#define N 3000005

int n, k, a[N];

int main () {
	ifstream fin (in);
	fin >> n >> k;
	k--;
	for (int i = 0; i < n; ++i)
		fin >> a[i];
	fin.close();
	nth_element (a, a+k, a+n);
	ofstream fout (out);
	fout << a[k];
	fout.close();
	return 0;
}