#include <bits/stdc++.h>
// #include <boost/multiprecision/cpp_int.hpp>
using namespace std;
// using bigint = boost::multiprecision::cpp_int;

template <typename T> using min_priority_queue = priority_queue<T,vector<T>,greater<T>>;

random_device seed_gen;
mt19937 engine(seed_gen());

int64_t get_time_ns(){
    struct::timespec t;
    clock_gettime(CLOCK_MONOTONIC, &t);
    return t.tv_sec * int64_t(1'000'000'000) + t.tv_nsec;
}

int main() {
    int n;
    cin >> n;
    vector<int> A(n);
    for(int &a : A) cin >> a;

    int x = 1'000'000;
    for(int i = 0; i < n - 1; i++) {
        if(x > A[i+1] - A[i]) x = A[i+1] - A[i];
    }
    int y = A[n-1] - A[0];

    cout << x << endl << y << endl;

    return 0;
}