#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
int main() {
	ifstream f("sdo.in");
	ofstream g("sdo.out");
	
	int n, k, i, nr;
	vector <int> v;
	
	f>>n>>k;
	for(i=1; i<=n; i++) {
		f>>nr;
		v.push_back(nr);
	}
	
	nth_element(v.begin(), v.begin()+k-1, v.end());
	g<<v[k-1]<<"\n";
	
	f.close();
	g.close();
	return 0;
}