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

ifstream in("sdo.in");
ofstream out("sdo.out");

int n,k;
vector<int> v;

int main() {
	int i,x;
	
	in >> n >> k;
	
	for(i=1;i<=n;++i) {
		in >> x;
		v.push_back(x);
	}
	
	nth_element(v.begin(),v.begin()+k-1,v.end());
	
	out << v[k-1] << "\n";
	
	return 0;
}