#include <bits/stdc++.h>

using namespace std;

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

int n,t;

vector <int> a;

void read()
{
    in>>n>>t;
    t--;
    int x;
    for(int i=0; i<n; ++i)
    {
        in>>x;
        a.push_back(x);
    }
}

int main()
{
    read();
    nth_element(a.begin(),a.begin()+t,a.end());
    out<<a[t];
    return 0;
}