#include <iostream>
#include <vector>
#include <bits/stdc++.h>
#include <algorithm>
// #include <chrono>

using	namespace std;

// Reference: http://www.cplusplus.com/reference/algorithm/nth_element/


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

long long int		k, n, v[3000002];
int	main()
{
	ios_base::sync_with_stdio(false); 
    cin.tie(NULL); 
	f >> n >> k;
	for (int i = 0; i < n; i++)
		f >> v[i];
	
	nth_element(v, v + k - 1, v + n);
	
	g << v[k - 1];

	return	0;
}