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

using namespace std;

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

vector <int> v;

int main() {
    int n,k;
    fin>>n>>k;
    for(int i=0;i<n;i++) {
        int a;
        fin>>a;
        v.push_back(a);
    }
    nth_element(v.begin(),v.begin()+k,v.end());
    fout<<v[k-1]<<endl;
    return 0;
}