#include <fstream>
#include <algorithm>

using namespace std;

unsigned int n, k;
unsigned int a[3000001];

unsigned int i;

unsigned int sol;

int main ()
{
    ifstream fin ("sdo.in");
    fin >> n >> k;
    for (i=1; i<=n; i++)
        fin >> a[i];
    fin.close();
    nth_element(a+1,a+k,a+n+1);
    sol = a[k];
    ofstream fout ("sdo.out");
    fout << sol;
    fout.close();
    return 0;
}