#include <bits/stdc++.h>

using namespace std;

int n, k, a[3000007];

void Citire()
{
    ifstream fin ("sdo.in");
    int i;
    fin >> n >> k;
    for (i=1; i<=n; i++)
        fin >> a[i];
    fin.close();
}

int main()
{
    Citire();
    nth_element(a+1, a+k, a+n+1);
    ofstream fout ("sdo.out");
    fout << a[k] << "\n";
    fout.close();
    return 0;
}