#include <fstream>
#include <algorithm>
#include <vector>
#define MAX 3000010

using namespace std;

int main(){
	ifstream fin;
	ofstream fout;
	fin.open("sdo.in");
	fout.open("sdo.out"); 
	int k, n, x;
	vector<int> v;

	fin >> n >> k;
	for(int i=0; i < n; ++i){
		fin >> x;
		v.push_back(x);
	}
	nth_element(v.begin(), v.begin() + k - 1, v.end());
	fout << v[k - 1];

}