#include <fstream>
#include <algorithm>

using namespace std;

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

int A[3000005], n, k;



int main()
{
    fin>>n>>k;

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

    nth_element(A+1, A+k, A+k+1);
    fout << A[k] << "\n";
    fin.close();
    fout.close();
    return 0;
}