#include<fstream>
#include<time.h>
#include<stdlib.h>
using namespace std;
    ifstream f("sdo.in");
    ofstream g("sdo.out");
long n;

long choose_rand(long a, long b, long c){
    if((a < b && b < c) || (c < b && b < a))
        return b;
    if((a > b && c > a) || (a < b && c < a))
        return a;
    return c;
}

void quicksort(long a[], long left, long right){
    long i = left;
    long j = right;
    long aux;

    long rand1 = rand() % n;
    long rand2 = rand() % n;
    long rand3 = rand() % n;

    long pivot = a[choose_rand(rand1, rand2, rand3)];

    while(i <= j){
        while(a[i] < pivot)
            i++;
        while(pivot < a[j])
            j--;
        if(i <= j){
            aux = a[i];
            a[i] = a[j];
            a[j] = aux;
            i++;
            j--;
        }
    }

    if(i < right)
        quicksort(a, i, right);
    if(j > left)
        quicksort(a, left, j);
}

int main()
{
long k;
f>>n>>k;
long a[n];

srand (time(NULL));

for(long i = 0 ; i < n ; i++)
    f>>a[i];

quicksort(a, 0, n - 1);

g<<a[k-1];

return 0;
}