#include <bits/stdc++.h>

using namespace std;

const int NMAX = 3e6;
int v[NMAX + 5];

int main()
{
    ifstream fin("sdo.in");
    ofstream fout("sdo.out");
    int n,k;
    fin >> n >> k;
    k--;
    for (int i = 0;i < n;i++)
        fin >> v[i];
    nth_element(v, v + k, v + n);
    fout << v[k];
    return 0;
}