#include <cstdio>
#include <algorithm>
#define nMax 3000000

using namespace std;

int a[nMax];
int n;
int k;

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

    scanf ("%d %d", &n, &k);
    for (int i = 0; i < n; ++ i){
        scanf ("%d", &a[i]);
    }
    nth_element (a, a + k - 1, a + n);
    printf ("%d\n", a[k - 1]);

    return 0;
}