#include <fstream>
#include <algorithm>
#define MAX 3000005
using namespace std;


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

int A[MAX], N, K;

int main()
{
	fin >> N >> K;

	for(int i = 1; i <= N; ++i)
		fin >> A[i];
	nth_element(A+1, A+K, A+N+1);
	fout << A[K] << "\n";
}