#include <fstream>
#include <algorithm>
using namespace std;
ifstream fin ("sdo.in");
ofstream fout ("sdo.out");

int v[3000002];

int main (){

  int n,k;
  fin >> n >> k;
  for (int i = 1; i <= n; ++i)
    fin >> v[i];

  nth_element(v+1,v+k,v+n+1);
  fout << v[k];

}