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

#define MAXN 3000100

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

int n, k, v[MAXN];

int main () {
    int i;
    fin >> n >> k;
    for (i = 1; i <= n; ++i)
        fin >> v[i];
    nth_element(v + 1, v + k + 1, v + n + 2);
    fout << v[k] << "\n";
    fout.close();
    return 0;
}