#include <fstream>
#include <algorithm>

using namespace std;

const int M=3000003;
int n, k, a[M];

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