#include <cstdio>
#include <iostream>
#include <vector>
#include <cstdlib>
#include <ctime>
#include <algorithm>
using namespace std;
const int NMAX = 3000505;
int N, K;
int nums[NMAX];

int main() {
	freopen("sdo.in", "r", stdin);
	freopen("sdo.out", "w", stdout);

	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	cin >> N >> K;
	for (int i = 1; i <= N; i++) {
		cin >> nums[i];
	}

	nth_element(nums + 1, nums + K, nums + N + 1);
	cout << nums[K] << "\n";
	return 0;
}