#include <fstream>
#include <time.h>
using namespace std;

unsigned int v[3000002],n, k;
ifstream cin("sdo.in");
ofstream cout("sdo.out");

unsigned int  quicksort(int st, int dr)
{

    if(st == dr)
        return v[st];

    if(st<dr)
    {
       int i=st, j=dr, mod=0;
       int p=rand()%(dr-st+1)+st;
       swap(v[st],v[p]);
        while(i<j)
        {
            if(v[i] > v[j])
            {
                swap(v[i],v[j]);
                mod=1-mod;
            }
            i=i+mod;
            j=j-(1-mod);
        }

        if(i==k) return v[i];
        if(i>k)
            return quicksort(st,i-1);
        if(i<k)
            return quicksort(i+1,dr);
    }

}
int main()
{
    cin>>n>>k;
    for(int i=1;i<=n;i++)
        cin>>v[i];

    srand (time(NULL));
    cout<<quicksort(1,n);


    return 0;
}