#include <iostream>
#include <fstream>
#include <vector>
#include <algorithm>
using namespace std;
ifstream fi("sdo.in");
ofstream fo("sdo.out");
vector<int>v;
int n,k;
int main() {
    fi>>n>>k;
    v.resize(n);
    for (int i=0;i<n;i++)
        fi>>v[i];
    nth_element(v.begin(),v.begin()+(k-1),v.end());
    fo<<v[k-1];
    return 0;
}