#include <cstdio>
#include <algorithm>

using namespace std;

const int NMAX = 3000010;

int N, K;
int v[NMAX];

int main () {
    freopen ("sdo.in", "r", stdin);
    freopen ("sdo.out", "w", stdout);

    scanf ("%d%d", &N, &K);
    for (int i = 1; i <= N; i++) {
        scanf ("%d", &v[i]);
    }

    nth_element(v + 1, v + K + 1, v + N + 1);
    printf ("%d\n", v[K]);

    return 0;
}