#include <bits/stdc++.h>

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";

	fin.close();
	fout.close();
	return 0;
}