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

using namespace std;

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

const int NLIM = 3e6+10;

int n, k;
int x[NLIM];

int main()
{
    ios::sync_with_stdio(false);

    fin >> n >> k;
    for(int i = 0; i < n; ++i)
        fin >> x[i];

    nth_element(x, x + k-1, x + n-1);

/**
    for(int i = 0; i < n; ++i)
        cout << x[i] << " ";
    cout << "\n";
/**/

    fout << x[k-1] << "\n";

    return 0;
}