#include <bits/stdc++.h>
using namespace std;
ifstream in("sdo.in");
ofstream out("sdo.out");

const int NMax = 3000000;

int X[NMax + 5], N, K;

int main(){
    in >> N >> K;
    for (int i = 1; i <= N; i++)
        in >> X[i];
    nth_element(X + 1, X + K, X + N + 1);
    out << X[K] << '\n';
    return 0;
}