#include <bits/stdc++.h>
using namespace std;

int main(){
  int n; cin >> n;
  vector<int> v(n);
  int mindiff = 1e9;
  for (int i = 0; i < n; i++) {
    cin >> v[i];
    if (i != 0) {
      mindiff = min(mindiff, v[i]-v[i-1]);
    }
  }
  cout << mindiff << endl;
  cout << v[n-1] - v[0] << endl;
  return 0;
}