#include <ctime>
#include <cstdlib>
#include <fstream>

#define VMAX 3000010

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

int n, k;
unsigned int v[VMAX];

int partition(int lo, int hi) {
    int rnd = rand() % (hi - lo + 1) + lo;
    unsigned int aux = v[rnd];

    v[rnd] = v[hi];
    v[hi] = aux;

    unsigned int p = v[lo];
    int l = lo, r = hi;

    while (l < r) {
        while (l < r && v[r] >= p)
            r--;
        v[l] = v[r];

        while (l < r && v[l] <= p)
            l++;
        v[r] = v[l];
    }

    v[r] = p;
    return r;
}

unsigned int quick(int lo, int hi) {
    int pivot = partition(lo, hi);
    if (pivot == k)
        return v[k];

    if (k < pivot) {
        if (pivot - 1 > lo)
            return quick(lo, pivot - 1);
        return v[k];
    }

    if (pivot + 1 < hi)
        return quick(pivot + 1, hi);
    return v[k];
}

int main() {
    int i;
    srand(time(NULL));

    fin >> n >> k;
    for (i = 1; i <= n; i++)
        fin >> v[i];

    fout << quick(1, n) << '\n';
    fout.close();
    return 0;
}