#include<iostream>
#include<vector>
#include<algorithm>

using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    int a[n];
    for (int i = 0; i < n; ++i) cin >> a[i];
    vector<int> v;
    for (int i = 1; i < n; ++i) v.push_back(a[i] - a[i - 1]);
    sort(v.begin(), v.end());
    cout << v[0] << endl << a[n - 1] - a[0] << endl;
    
    
}