//#include "stdafx.h"
#include<iostream>
#include<fstream>
#include<algorithm>

using namespace std;

ifstream in("sdo.in");
ofstream out("sdo.out");

int v[3000001], N, k;

void citire()
{
	in >> N >> k;
	for (int i = 1; i <= N; i++)
		in >> v[i];
}

void afisare()
{
	for (int i = 1; i <= N; i++)
		out << v[i] << ' ';
}
int main()
{
	citire();
	nth_element(v + 1, v + k, v + N + 1);
	out << v[k];
	return 0;
}