# include <iostream>
# include <fstream>
# include <algorithm>

using namespace std;

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

const int dim = 3000000;
int n, k, V[dim];

int main ()

{
    fin >> n >> k;
    for ( int i = 1; i <= n; ++i)
        cin >> V[i];
    nth_element(V+1,V+k,V+n+1);
    fout << V[k];
}