#include<fstream>
#include<algorithm>
using namespace std;
unsigned long n,k,i,v[3000002];
int main()
{
	ifstream f("sdo.in");
	ofstream g("sdo.out");
	f>>n>>k;
	for(i=1;i<=n;i++)
		f>>v[i];
	sort(v+1,v+n+1)
	g<<v[k];
	f.close();
	g.close();
}