#include <fstream>
#include <algorithm>
#include <vector>
using namespace std;

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

int N;
vector<int> a;
int K;

void Read();

int main()
{
	Read();
	nth_element(a.begin(), a.begin() + K, a.end());
	
	fout << a[K - 1] << '\n';
	
	fin.close();
	fout.close();
	return 0;
}

void Read()
{
	fin >> N >> K;
	int i, x;
	for ( i = 1; i <= N; ++i )
	{
		fin >> x;
		a.push_back(x);
	}
}