#include <bits/stdc++.h>
using namespace std;
typedef int64_t ll;


void solve() {
  ll n;
  cin>>n;
  vector<ll> a(n);
  for(ll i=0;i<n;i++){
    cin>>a.at(i);
  }
  ll u=-1e6,l=1e6;
  u=abs(a.at(0)-a.at(n-1));
  for(ll i=0;i<n-1;i++){
    l=min(l,a.at(i+1)-a.at(i));
  }
  cout<<l<<endl;
  cout<<u<<endl;
} 

int main() { solve();system("pause"); }