#include <fstream>
#include <algorithm>

#define MAX 3000005

using namespace std;

int v[MAX], n, k;

int main()
{
    ifstream in("sdo.in"); in>>n>>k;
    for(int i = 1; i <= n; i++) in>>v[i];
    in.close(); ofstream out("sdo.out");
    nth_element(v + 1, v + k, v + n + 1);
    out<<v[k]; out.close();
    return 0;
}