#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main(void){
  int n;
  cin >> n;
  int a[n];
  for(int i = 0; i < n; i++) cin >> a[i];
  int Max = a[n - 1] - a[0];
  int Min = Max;
  for(int i = 0; i < n - 1; i++){
    int temp = a[i + 1] - a[i];
    Min = min(Min, temp);
  }
  cout << Min << endl;
  cout << Max << endl;
  return 0;
}