#include<stdio.h>
#include<algorithm>
#define MAX 3000005

using namespace std;
int a[MAX],n,k;

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

	nth_element(a+1, a+k, a+n+1);
	printf("%d\n",a[k]);
}