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

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

    int maxdist = a[n - 1] - a[0];
    int mindist = maxdist;

    for(int i = 0; i < n - 1; i++){
        int dist = a[i + 1] - a[i];
        mindist = min(mindist, dist);
        // cout << dist << endl;
    }

    cout << mindist << endl;
    cout << maxdist << endl;
}