#include <fstream>
#include <algorithm>

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

int main()
{
	int n, k, a,sol,m[3000000];
	fin >> n >> k;
	for (int i = 1; i <= n; i++)
		fin >> m[i];
	fin.close();
	nth_element(m + 1, m + k, m + n + 1);
	sol = m[k];

	fout << sol;

}