#include <cstdio>
#include <algorithm>
#include <fstream>

const int maxn = 3000005;
using namespace std;

int A[maxn], n, k;
int main() {
	ifstream fin("sdo.in");
	ofstream fout("sdo.out");
	
	fin >> n >> k;
	
	for( int i = 1; i <= n; ++i)
		fin >> A[i];
	
	random_shuffle(A + 1, A + n + 1);
	nth_element(A + 1, A + k, A + n + 1);
	
	fout << A[k];
	return 0;
}