#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;

int main(){
	ifstream f("sdo.in");
	ofstream g("sdo.out");
	int n, k;
	f >> n >> k;
	vector<int> v(n);
	for(auto& x : v){
		f >> x; }
	nth_element(begin(v), begin(v)+k-1, end(v));
	g << v[k-1];
	return 0; }