#include <bits/stdc++.h>
#define MAX 3000001

using namespace std;

unsigned int n, k;
unsigned int a[MAX];

unsigned int var;
unsigned int i, j;

unsigned int solution;

int main ()
{
    ifstream fin ("sdo.in");
    fin >> n >> k;
    for (i=1; i<=n; i++)
        fin >> a[i];
    fin.close();
    /*
    for (i=1; i<=n; i++)
        for (j=1; j<n; j++)
            if (a[j] > a[j+1])
            {
                var = a[j+1];
                a[j+1] = a[j];
                a[j] = var;
            }
    */
    sort(a,a+n-1);
    solution = a[k];
    ofstream fout ("sdo.out");
    fout << solution;
    fout.close();
    return 0;
}