#include"stdio.h"
#include"vector"
#include"set"
#include"algorithm"
using namespace std;

int i,n,k;
long t[30000001];

int main()
{
	freopen("sdo.in","r",stdin);
	freopen("sdo.out","w",stdout);
	scanf("%d%d",&n,&k);
	for(i=1;i<=n;i++)
		scanf("%d",&t[i]);
	nth_element(t+1,t+k,t+n+1);
	printf("%lld",t[k]);
	return 0;
}