#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using llu = long long unsigned;

vector<ll> dx = { 0, 0, -1, 1};
vector<ll> dy = {-1, 1,  0, 0};

#define MOD 1000000007
int main() {
    int N;
    cin >> N;
    vector<int> a(N);
    for (int i=0; i<N; i++) { cin >> a[i]; }

    int minV;
    for (int i=0; i<N-1; i++) {
        minV = min(minV, a[i+1]-a[i]);
    }
    ll maxV = (ll)a[N-1]-a[0];
    cout << minV << endl;
    cout << maxV << endl;
    return 0;
}