#include <bits/stdc++.h>

using namespace std;

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

int i, v[3000005], n, k;

int main()
{

    f>>n>>k;

    for ( i = 1 ; i <= n ; i++ )
    {
        f>>v[i];
    }

    nth_element( v + 1 , v + k , v + n );

    g<<v[k];


    return 0;
}