#include <algorithm>
using namespace std;

#define DIM 3000005

int v[DIM];
int n,k;

void read ()
{
    int i;

    scanf ("%d%d",&n,&k);
    for (i=1; i<=n; ++i)
        scanf ("%d",&v[i]);
}

int main ()
{
    freopen ("sdo.in","r",stdin);
    freopen ("sdo.out","w",stdout);

    read ();
    nth_element (v+1,v+k,v+n+1);
    printf ("%d",v[k]);

    return 0;
}