#include <algorithm>
#include <fstream>
#include <vector>
using namespace std;
int main()
{
	ifstream fin("sdo.in");
	int n = 0, k = 0;
	fin >> n >> k;
	for (int i = 0; i < n; ++i)
	{
		int x = 0;
		fin >> x;
		v.push_back(x);
	}
	fin.close();
	
	ofstream fout("sdo.out");
	int res = nth_element(begin(v), end(v), k);
	fout << res << '\n';
	return 0;
}