#include<iostream>
#include<fstream>
#include<vector>
#include<algorithm>
using namespace std;
ifstream fin("sdo.in");
ofstream fout("sdo.out");
int n,s;
vector<int> a;
int main()
{
    fin>>n>>s;
    for(int i=0;i<n;i++)
    {
        int c;
        fin>>c;
        a.push_back(c);
    }
    sort(a.begin(),a.end());
    fout<<a[s-1]<<" ";
}