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

int main()
{
  ifstream fin("sdo.in");
  ofstream fout("sdo.out");
  fin.sync_with_stdio(false);
  fin.tie(0);
  
  int N, K;
  fin >> N >> K;
  vector<int> v(N);

  for (int i = 0; i < N; ++i)
    fin >> v[i];
    
  nth_element(v.begin(), v.begin() + (K - 1), v.end());
 
  fout << v[K - 1] << "\n";
  
  return 0;
}