//https://infoarena.ro/problema/sdo

//#pragma GCC optimize("O3")   
//#pragma GCC optimize("Ofast") 
//#pragma GCC optimize("fast-math") 
//#pragma GCC optimize("unroll-loops") 
//#pragma GCC optimize("inline")  
//#define _USE_MATH_DEFINES
//#define _CRT_SECURE_NO_WARNINGS

#include <iostream>
#include <fstream>
//#include <vector>
//#include <cstring>
//#include <cmath>
//#include <bitset>
//#include <queue>
//#include <stack>
//#include <utility>
#include <algorithm>
//#include <string>
//#include <map>
//#include <unordered_map>
//#include <set>
//#include <unordered_set>
//#include <cstdint>
//#include <climits>
//#include <iomanip>
//#include <cstdio>
//#include <tuple>

using namespace std;

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

const int NRMAX = 3000000;

int v[NRMAX];

int main()
{
	//ios_base::sync_with_stdio(false);
	//cin.tie(nullptr);
	//cout.tie(nullptr);

	int n, k, i;

	fin >> n >> k;
	for (i = 0; i < n; ++i)
		fin >> v[i];

	nth_element(v, v + k, v + n);

	/*for (i = 0; i < n; ++i)
		cout << v[i] << " ";*/

	fout << v[k - 1] << "\n";

	return 0;
}