#include <bits/stdc++.h>

using namespace std;

const int NMAX = 3e6;

int v[NMAX];

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