#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  int a[n];
  for (int i = 0; i < n; i++) cin >> a[i];
  sort(a, a + n);
  int temp = a[0];
  a[0] = a[n - 1];
  a[n - 1] = temp;
  for (int i = 0; i < n; i++) cout << a[i] << " ";
  cout << "\n";
  return 0;
}
