#include    <fstream>
#include    <algorithm>

using namespace std;

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

const int MAXN = 3000005;
int N, K, V[MAXN];

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

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

    nth_element(V+1, V+K, V+N+1);

    fout << V[K] << "\n";
}

int main()
{
    read();
    return 0;
}