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

#define MAX_N 3000005

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

int N, x, k;
int V[MAX_N];

void Read() {
    in >> N >> k;
    for (int i = 1; i <= N; ++i) {
        in >> V[i];
    }
}

void Solve() {
    nth_element(V+1, V+k, V+N+1);
    out << V[k] << '\n';
}

int main() {
    Read();
    Solve();
    return 0;
}