#include <cstdio>
#include <algorithm>
using namespace std;

const int maxn = 3e6 + 10;
int arr[maxn];

int main() {
  freopen("sdo.in", "r", stdin);
  freopen("sdo.out", "w", stdout);
  int n, k;
  scanf("%d%d", &n, &k);
  for (int i = 0; i < n; ++i) scanf("%d", arr+i);
  nth_element(arr, arr+k-1, arr+n);
  printf("%d\n", arr[k-1]);
  return 0;
}