#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;
ifstream fin ("sdo.in");
ofstream fout ("sdo.out");

#define val 3000005

int n, k, i , a[ val ];

int main()
{
    fin >> n >> k;
    for ( i = 1; i <= n; i++ )
    {
        fin>> a[ i ];
    }
    nth_element ( a + 1, a + k + 1,  a + n + 1 );
    fout<< a[ k ];
}