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

vector <int> v;

int main() {
	ifstream f("sdo.in");
	ofstream g("sdo.out");
	
	int n, i, k, j;
	f>>n>>k;
	for(i=0; i<n; i++) {
		f>>j;
		v.push_back(j);
	}

	nth_element(v.begin(), v.begin()+k-1, v.end());

	g<<v[k-1]<<"\n";
	return 0;
}