#include<iostream>

using namespace std;

int main(){
	int n,max=0,min;
	cin>>n;

	int a[n];

	for (int i = 0; i < n; ++i)
	{
		cin>>a[i];
	}

	max=a[n-1]-a[0];
	min=max;

	for (int i = n-1; i > 0; --i)
	{
		if(min>a[i]-a[i-1]){
			min=a[i]-a[i-1];
		}
	}

	cout<<min<<endl;
	cout<<max<<endl;
}