#include <iostream>
#include <fstream>
#define NMAX 3000001
#define BUFF_SIZE 100000

using namespace std;

ifstream in("sdo.in");
ofstream out("sdo.out");
int a[NMAX], n, k;
char BUFF[BUFF_SIZE];
int pos = 0;

void Read(int &a)
{
    while(!isdigit(BUFF[pos]))
        if(++pos == BUFF_SIZE)
            in.read(BUFF,BUFF_SIZE), pos = 0;
    a = 0;
    while(isdigit(BUFF[pos]))
    {
        a = a * 10 + (BUFF[pos] - '0');
        if(++pos == BUFF_SIZE)
            in.read(BUFF,BUFF_SIZE), pos = 0;
    }
}

void quicksort(int x, int y)
{
    if (x < y)
    {
        int i = x, j = y, pivot = a[(x+y)/2];
        while (i < j)
        {
            while (i < y && a[i] < pivot)
                i++;
            while (j > x && a[j] > pivot)
                j--;
            if (i <= j)
            {
                int h = a[i];
                a[i] = a[j];
                a[j] = h;
                i++;
                j--;
            }
        }
        if (i <= k && k <= y)
            quicksort(i,y);
        if (j >= k && k >= x)
            quicksort(x,j);
    }
}

int main()
{
    Read(n);
    Read(k);
    for (int i = 1; i <= n; i++)
        Read(a[i]);
    in.close();
    quicksort(1,n);
    out << a[k] << "\n";
    out.close();
    return 0;
}