#include<iostream>
#include<string>
#include<algorithm>
#include<cctype>
#include<set>
#include<bitset>
#include<math.h>
#include<map>
#include<queue>
#include<iomanip>
using namespace std;

int main(){
    int n, a1, a, temp;
    long long min1 = 2*100000, max1 = -2*100000;
    cin >> n >> a1;
    a = a1;
    for (int i = 2; i <= n; i++){
        cin >> temp;
        min1 = min(min1, (long long)(temp - a));
        a = temp;
    }
    max1 = a - a1;
    cout << min1 << endl << max1 << endl;
}