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

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

int n, k, v[3000001];

int main()
{
	

	fin >> n >> k;
	for (int i = 0;i < n;i++) {
		fin >> v[i];
	}
	nth_element(v + 1, v + k, v + n + 1);
	fout << v[k];


}