#include<fstream>
#include<algorithm>

using namespace std;

ifstream fin("sdo.in");
ofstream fout("sdo.out");

const int NMax = 3000005;
int N,K,A[NMax];

int main()
{
   fin>>N>>K;

   for(int i = 1; i <= N; i++)
        fin>>A[i];

   sort(A+1,A+N);

   fout<<A[K]<<" ";

    return 0;
}