#include <bits/stdc++.h>
using namespace std;

ifstream read("sdo.in");

ofstream print("sdo.out");


int n, x, k;

vector<int> a;

int main() {
    read >> n >> k;

    for(int i = 1; i <= n; ++i) {
        read >> x;
        a.push_back(x);
    }

    make_heap(a.begin(), a.end());

    sort_heap(a.begin(), a.end());

/*	for(int i = 0; i < n; ++i) {
		cout << a[i] << " ";
	}*/

    print << a[k - 1];
}