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

template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}

//INSERT ABOVE HERE
signed main(){
  Int n;
  cin>>n;
  vector<Int> a(n);
  for(Int i=0;i<n;i++) cin>>a[i];
  Int x=a[1]-a[0];
  for(Int i=1;i<n;i++) chmin(x,a[i]-a[i-1]);
  cout<<x<<endl<<a.back()-a.front()<<endl;
  return 0;
}