#include <iostream>
#include <fstream>
#define ARRAY_SIZE 3000001
#define BUFF_SIZE 100001
 
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;
}