#include <fstream>
#include <algorithm>

using namespace std;

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

int s[3000001], n, k;
int main()
{
    fin >> n >> k;

    for (int i = 1; i<=n; i++)fin >> s[i];

    nth_element(s + 1, s + k, s + n + 1);
    fout << s[k];
    return 0;
}