#include <fstream>
#include <algorithm>

using namespace std;

#define MAX_N 3000005

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

int A[MAX_N], N, K;

void citire()
{
    fin >> N >> K;

    for(int i = 1; i <= N; ++i)
        fin >> A[i];
}

int main()
{
    citire();
    nth_element(A+1, A+K, A+N+1);
    fout << A[K] << "\n";
}