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

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

int n , k, x, sum;
map<int, int> numar;

int main() {
    fin >> n >> k;
    for (int i = 1; i <= n; i++) { 
        fin >> x;
        numar[x]++;
    }
    for (auto next : numar) {
        sum += next.second;
        if (sum >= k) {
            fout << next.first;
            break;
        }
    }
    return 0;
}