#include <cstdio>
#include <algorithm>

using namespace std;

const int M=3000003;
int n, k, a[M];

void citire()
{
    scanf ("%d %d ",&n,&k);
    for (int i=0; i<n; ++i)
        scanf ("%d ",&a[i]);
}

int main()
{
    freopen ("sdo.in","r",stdin);
    freopen ("sdo.out","w",stdout);
    citire();
    nth_element(a,a+k,a+n);
    printf ("%d\n",a[k-1]);
    return 0;
}