#include <bits/stdc++.h>

using namespace std;

FILE *fin = fopen ("sdo.in", "r"), *fout = fopen ("sdo.out", "w");

const int MAXN = 3000000;

int a[MAXN + 1];

int main() {
    int n, k, i;
    fscanf (fin, "%d%d", &n, &k);
    for (i = 1; i <= n; i++)
        fscanf (fin, "%d", &a[i]);
    nth_element (a + 1, a + k + 1, a + n + 1);
    fprintf (fout, "%d\n", a[k]);
    fclose (fin);
    fclose (fout);
    return 0;
}