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

using namespace std;

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

int n, k, v[3000001];

int main() {
	in >> n >> k;
	for (int i = 1; i <= n; i++)
		in >> v[i];
	nth_element(v + 1, v + k, v + n + 1);
	out << v[k];

}