#include <fstream>
#include <algorithm>

using namespace std;

#define MAX_N 3000005

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

int A[MAX_N], N, K;

void citire()
{
	fin >> N >> K;

	for(int i = 1; i <= N; ++i)
		fin >> A[i];
}

int main()
{
	citire();
	nth_element(A+1, A+K, A+N+1);
	fout << A[K] << "\n";
}