#include<iostream>
using namespace std;
int main(void){
  int N;
  cin >> N;
  int* a = new int[N];
  for (int i = 0; i < N; i++) {
    cin >> a[i];
    
  }
  int maxd = 0;
  int mind = 200001;
  for(int i = 0; i < N - 1; i++){
    for(int j = i + 1; j < N; j++){
      int d=abs(a[i] - a[j]);
      if(maxd < d){ maxd = d; }
      if(mind > d){ mind = d; }
      
    }
  }
  cout << mind << endl;
  cout << maxd << endl;
  return 0;
}