#include <bits/stdc++.h>
using namespace std;
ifstream fin ("sdo.in");
ofstream fout ("sdo.out");
const int Nmax = 3000005;
int a[Nmax] , 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";
    fin.close();
    fout.close();
    return 0;
}