#include <fstream>
#include <algorithm>


using namespace std;
int n, k;
int m[3000001];

int i;

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

}