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

ifstream fin  ("sdo.in");
ofstream fout ("sdo.out");
int a[3000009];

int main ()
{
    int i, N, k;
    fin >> N >> k;
    for (i=1; i<=N; i++)
        fin >> a[i];
    nth_element (a+1, a+k, a+N+1);
    fout << a[k] << "\n";
    fin.close();
    fout.close();
    return 0;
}