#include <iostream>
#include <fstream>

#define NMAX 4000001

using namespace std;

int v [NMAX], k ;

void statisticideordine (int begin, int end, int v [NMAX], int k ) {
  int b, e, pivot ;
  b = begin, e = end, pivot = v [ ( begin + end ) / 2 ] ;
  while (b <= e ) {
    while (v[b] < pivot ) b++;
    while (v[e] > pivot ) e--;
    if (b <= e ) {
      swap (v[b], v[e]) ;
      b++;
      e--;
    }
  }
  if (e >= k )
    statisticideordine(begin, e, v, k ) ;
  else {
    if (k >= b )
      statisticideordine(b, end, v, k ) ;
    else
      return ;
  }
}

int main() {

  ifstream fin ("sdo.in") ;
  ofstream fout ("sdo.out") ;
  int n, i ;
  fin >> n >> k ;
  for (i = 1 ; i <= n ; i++ )
    fin >> v[i] ;
  statisticideordine(1, n, v, k ) ;
  fout << v[k] ;
  return 0;
}