//#include <iostream>
#include <fstream>
#include <algorithm>
#include <vector>
#include <queue>
using namespace std;
const string file = "sdo";
ifstream cin(file + ".in");
ofstream cout(file + ".out");
#define FAST ios_base::sync_with_stdio(0), cin.tie(0),cout.tie(0) ;
int v[3000005], n, k;
int main(void)
{
    cin >> n >> k;
    for (int i = 1; i <= n; ++i) cin >> v[i];
    sort(v + 1, v + n + 1);
    cout << v[k];
    return 0;
}