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

using namespace std;

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

int main() {
	ios_base::sync_with_stdio(false);
	fin.tie(NULL);

	int n, k;
	fin >> n >> k;

	vector<int>v(n);

	for (int i = 0; i < n; i++) {
		fin >> v[i];
	}

	nth_element(v.begin(), v.begin() + (k-1), v.end());
	fout<<v[k];

	return 0;
}