#include <fstream>
#include <algorithm>
#include <cassert>

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;
	assert(1 <= N <= 3000000);
	assert(1 <= K <= N);

	for(int i = 1; i <= N; ++i)
	{
		fin >> A[i];
		assert(1 <= A[i] <= 1000000000);
	}
}

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