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

long M[3000005];

int main(void)
{
 long N,K,i;
 fstream fin("sdo.in",ios::in);
 fstream fout("sdo.out",ios::out);
 fin >> N >> K;
 for (i = 0;i < N;i += 1)
  {
   fin >> M[i];
  }
 nth_element(M + 0,M + K - 1,M + N);
 fout << M[K - 1] << " ";
 fin.close();
 fout.close();
 return 0;
}