#include <bits/stdc++.h>

using namespace std;

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

const int MAX_N = 3e6 + 5;

int n, k;

int v[MAX_N];

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