#include <bits/stdc++.h>
using namespace std;

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int N;
    cin >> N;
    vector<int> As(N, 0);
    for (auto &a : As) cin >> a;
    int maxSpan = As[N - 1] - As[0];
    int minSpan = maxSpan;
    for (int i = 1; i < N; ++i){
        minSpan = min(minSpan, As[i] - As[i - 1]);
    }
    cout << minSpan << endl;
    cout << maxSpan << endl;
    return 0;
}