// yukicoder No.716
#include <bits/stdc++.h>
using namespace std;

int main()
{
  int n; cin >> n;
  vector<int> v(n);
  for(int i = 0; i < n; ++i) cin >> v[i];

  int mini = 1000000007;
  int maxi = v[n-1] - v[0];

  for(int i = 0; i < n-1; ++i) {
    int tmp = v[i+1] - v[i];
    if(tmp < mini) mini = tmp;
    else continue;
  }

  cout << mini << "\n";
  cout << maxi << "\n";

  return 0;
}