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

#define NMAX 3000005


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

int N, K;
int V[NMAX];

void citire()
{
	fin >> N >> K;
	for(int i = 1 ; i <= N ; i++)
		fin >> V[i];
}

int main()
{
	citire();
	nth_element(V + 1 , V + K , V + N);
	fout << V[K];
	return 0;
}