# include <stdio.h>
int a[3000005],i,n,aux,k,x;

     void poz (int i,int j)
   {
     int ok=0;
    while (i!=j)
    {

     if (a[i]>a[j])
     {
      if (ok==0)
       ok=1;
      else
       ok=0;

      aux=a[i];
      a[i]=a[j];
      a[j]=aux;

      }


     if (ok==0)
     j--;
     else
     i++;

     }
   x=i;

 }












    void rez (int i,int j)
   {
     if (x==k)
     printf ("%i",a[x]);

      else
      {

      poz (i,j);


       if (x<k)
	{

	rez (x+1,j);



	}
       else
	{

	rez (i,x-1);


	 }

      }






      }




int main ()
{
freopen ("sdo.in","r",stdin);
freopen ("sdo.out","w",stdout);
scanf ("%i%i",&n,&k);
for (i=1;i<=n;i++)
scanf ("%i",&a[i]);

rez (1,n);

return 0;
}