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

#define NMAX 3000001

using namespace std;

int nums[NMAX];

int main() {

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

	long int n, k;
	in >> n >> k;

	for (long int i = 0 ; i < n; i++) {
		in >> nums[i];
	}

	nth_element(nums, nums + k - 1, nums + n);		
	out << nums[k -1];

	return 0;
}