#include <iostream>
#include <list>
#include <vector>
#include <string>
#include <stdio.h>
#include <stdint.h>
#include <iomanip>
using namespace std;

using uint = unsigned int;
using ll = long long;

#define CIN( LL , A ) LL A; cin >> A 
#define GETLINE( A ) string A; getline( cin , A ) 
#define FOR_ITR( ARRAY , ITR , END ) for( auto ITR = ARRAY .begin() , END = ARRAY .end() ; ITR != END ; ITR ++ ) 

int main()
{

  CIN( ll , N );
  ll a_prev;
  ll a_next;
  ll min = 200001;
  ll max;
  
  for( ll i = 0 ; i < N ; i++ ){

    cin >> a_next;

    if( i == 0 ){

      max = - a_next;

    } else {

      ll d = a_next - a_prev;

      if( d < min ){

	min = d;

      }

    }

    a_prev = a_next;

  }

  max += a_next;
  cout << min << endl;
  cout << max << endl;
  return 0;

}