#include<cstdio>
#include<algorithm>
#define nmax 3000005
using namespace std;
int a[nmax],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]);
	return 0;
}