#include <bits/stdc++.h>
#define rep(i, a, n) for(int i = a; i < n; i++)
#define int long long
using namespace std;
typedef pair<int, int> P;
const int INF = 1e15;


signed main(){
    int n;
    cin >> n;
    vector<int> a(n);
    rep(i, 0, n){
        cin >> a[i];
    }
    int MAX = a[n - 1] - a[0];
    int MIN = MAX;
    rep(i, 0, n - 1){
        MIN = min(MIN, a[i + 1] - a[i]);
    }
    cout << MIN << endl << MAX << endl;
}