#include <bits/stdc++.h>

using namespace std;

int main () {
    ifstream fin ( "sdo.in" );
    ofstream fout ( "sdo.out" );
    int n , k , i;

    fin >> n >> k;
    vector < int > m ( n );
    for ( i = 0 ; i < n ; i++ )
        fin >> m[i];
    nth_element ( m.begin () , m.begin () + k - 1 , m.end () );
    fout << m[k - 1] << '\n';

    return 0;
}