#include<fstream>
#include<algorithm>
#define NMAx 3000100
using namespace std;
int n,k,v[NMAx];

int main() {
	int i;
	ifstream in("sdo.in");
	ofstream out("sdo.out");
	in>>n>>k;
	for(i=1;i<=n;i++)
		in>>v[i];
	nth_element(v+1,v+k,v+n+1);
	out<<v[k]<<'\n';
	in.close();
	out.close();
	return 0;
}