#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

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

int V[3000010];

int main ()
{
	int N, K, i;
	
	in >> N >> K;
	
	for (i = 1; i <= N; i ++)
		in >> V[i];
	
	nth_element (V + 1, V + K, V + N + 1);
	
	out << V[K];
	
	return 0;
}