#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
  #define _GLIBCXX_DEBUG
#else
  #define Debug(...) void(0)
#endif
using ll = long long;
#define rep(i, n) for (int i = 0; i < (n); ++i)

int main() {
  int n;
  cin >> n;
  vector<int> a(n);
  rep(i, n) cin >> a[i];
  int minim = 1e9, maxim = 0;
  rep(i, n) rep(j, n) {
    if (i == j) continue;
    int diff = abs(a[i] - a[j]);
    minim = min(minim, diff);
    maxim = max(maxim, diff);
  }
  cout << minim << endl
       << maxim << endl;
  return 0;
}