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