#include <iostream>
#include <fstream>
#define ARRAY_SIZE 3000001
#define BUFF_SIZE 1000001

using namespace std;

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

char buffer[BUFF_SIZE];
int pos = 0;

void Read(int &a) {

    while (!isdigit(buffer[pos]))
        if (++pos == BUFF_SIZE)
            in.read(buffer, BUFF_SIZE), pos = 0;
    a = 0;

    while (isdigit(buffer[pos])) {

        a = a * 10 + buffer[pos] - '0';
        if (++pos == BUFF_SIZE)
            in.read(buffer, BUFF_SIZE), pos = 0;
    }
}


int _array[ARRAY_SIZE];

void quicksort(int x, int y, int k) {

    if (x < y) {

        int i = x, j = y, pivot = _array[x + (y - x) / 2];

        while (i <= j) {

            while (_array[i] < pivot)
                i++;
            while (_array[j] > pivot)
                j--;
            if (i <= j) {

                swap(_array[i], _array[j]);
                i++;
                j--;
            }
        }

        if (i <= k && k <= y)
            quicksort(i, y, k);
        else
            if (j >= k && k >= x)
                quicksort(x, j, k);
    }
}

int main() {

    int n, k;
    Read(n), Read(k);

    for (int i = 1; i <= n; i++)
         Read(_array[i]);
    in.close();

    quicksort(1, n, k);

    out << _array[k] << "\n";

    out.close();
    return 0;
}