#include <bits/stdc++.h>
using namespace std;

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

int n, nthElement, v[3000005];

int main() {
    in >> n >> nthElement;
    for (int i = 0; i < n; i++) {
        in >> v[i];
    }

    nth_element(v, v + (nthElement - 1), v + n);
    out << v[nthElement - 1];
    return 0;
}