#include <bits/stdc++.h>
#define rep(i,n)for(int i=0;i<(n);i++)
#define MOD 1000000007
#define INF 0x3f3f3f3f
#define INFL 0x3f3f3f3f3f3f3f3f
#define EPS (1e-10)
using namespace std;
typedef long long ll;
typedef pair<int,int>P;

int a[2000];
signed main(){
	int n;scanf("%d",&n);
	rep(i,n)scanf("%d",&a[i]);
	int Min=INT_MAX,Max=0;
	rep(i,n){
		for(int j=i+1;j<n;j++){
			Min=min(Min,a[j]-a[i]);
			Max=max(Max,a[j]-a[i]);
		}
	}
	cout<<Min<<endl<<Max<<endl;
}