#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin >> n;

    int r0 = 1 << 30, r1 = 0;

    vector<int> a(n);
    for (int i = 0; i < n; i++) {
        cin >> a[i];
    }

    for (int i = 1; i < n; i++) {
        r0 = min(r0, a[i] - a[i - 1]);
    }
    r1 = a[n - 1] - a[0];

    cout << r0 << '\n' << r1 << endl;

    return 0;
}