#include <iostream>
#include <algorithm>
#include <vector>
#include <fstream>

using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
int main() {
    int n,k;
    fin>>n>>k;
    vector<int> v(n);
    for (int i=0;i<n;i++) {
        fin>>v[i];
    }
    auto poz=v.begin()+k-1;
    nth_element(v.begin(),poz,v.end());
    fout<<*poz;
    return 0;
}