#include <cstdio>
#include <algorithm>
using namespace std;
int a[3000005];
int main () {
	int i,n,k;
	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",a[k]);
	return 0;
}