#include <cstdio>
#include <algorithm>

using namespace std;

#define file_in "sdo.in"
#define file_out "sdo.out"

int n,k,i,v[3010010];

int main()
{
	freopen(file_in,"r",stdin);
	freopen(file_out,"w",stdout);
	
	scanf("%d %d", &n, &k);
	for (i=1;i<=n;++i)
		 scanf("%d", &v[i]);
	sort(v+1,v+n+1);
	
	printf("%d\n", v[k]);
	
	fclose(stdin);
	fclose(stdout);
	
	return 0;
	
}