#include <cstdio>
#include <algorithm>
using namespace std;

int n,k,x,v[3000005];
int main()
{
	freopen("sdo.in","r", stdin);
	freopen("sdo.out","w", stdout);
	scanf("%d %d",&n,&k);
	
	for(int i=1;i<=n;i++)
		scanf("%d ",&v[i]);
	sort(v+1,v+n+1);
	printf("%d",v[k]);

	return 0;
}