#include <fstream>
#include <algorithm>
 using namespace std;
  #define MAX_N 3000005
   ifstream fin ("sdo.in");
   ofstream fout ("sdo.out");
    int A[MAX_N], N, K;
     void citire()
     {
         fin >> N >> K;
              for(int i = 1; i <= N; ++i)
                fin >> A[i];
              }
              int main()
              {
                      citire();
                          nth_element(A+1, A+K, A+N+1);
                              fout << A[K] << "\n";
                              return 0;
                              }