#include <iostream>
#include <vector>
#define REP(i, n) for (int i = 0; i < n; i++)
using namespace std;

int main() {
    int N;
    cin >> N;
    vector<int> vc;
    REP(i, N) {
        int a;
        cin >> a;
        vc.push_back(a);
    }
    int max = vc.at(N - 1) - vc.at(0);
    int min = max;
    REP(i, N - 1) {
        int tmp = vc.at(i + 1) - vc.at(i);
        if (tmp < min) min = tmp;
    }
    cout << min << endl;
    cout << max << endl;
    return 0;
}