#include <fstream>
#include<iostream>
#include <vector>
#include <algorithm>

std::ifstream in("sdo.in");
std::ofstream out("sdo.out");

int main() {
	std::vector<long long> array;
	long long n = 0, k = 0, elem = 0;
	in >> n >> k;

	for (auto i = 0; i < n; i++) {
		in >> elem;
		array.push_back(elem);
	}

	std::nth_element(array.begin(), array.begin() + k-1, array.end());
	
	out << array[k-1];
}