#include <bits/stdc++.h>
#define FOR(I,X,Y) for(int (I)=(X);(I)<(Y);(I)++)
#define REP(I,X,Y) for(int (I)=(Y)-1;(I)>=(X);(I)--)
#define ALL(X) (X).begin(),(X).end()
#define INF 1000000007
#define LINF 1000000000000000007
typedef long long ll;
using namespace std;

int main(){
  int N,MAX=0,MIN=INF;
  cin >> N;
  int a[N];
  FOR(i,0,N)cin >> a[i];
  FOR(i,0,N-1){
    MIN = min(MIN,a[i+1]-a[i]);
  }
  cout << MIN << endl << a[N-1] - a[0] << endl;
}