#include <iostream>
#include <vector>
using namespace std;

const int INF = (1 << 28);

int main() {
    int N;
    cin >> N;

    vector<int> a(N);
    int minimum = INF;
    for (int i = 0; i < N; i++) {
        cin >> a[i];

        if (i > 0) {
            minimum = min(minimum, a[i] - a[i - 1]);
        }
    }
    cout << minimum << endl;
    cout << a[N - 1] - a[0] << endl;

    return 0;
}