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

    #define N 3000005

    int n, k, a[N];

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

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