#include<bits/stdc++.h>
#define rep(i, x) for(ll i = 0; i < x; i++)
#define rep2(i, x) for(ll i = 1; i <= x; i++)
#define all(a) (a).begin(),(a).end()
using ll = long long;
using ld = long double;
const ll INF = 10000000000000000;
using namespace std;
signed main() {
    ll n, ans = INF; cin >> n; vector<ll> v(n);
	rep(i, n) {
		cin >> v[i];
		if (i != 0) { ans = min(ans, v[i] - v[i - 1]); }
	}
	cout << ans << endl; cout << v[n - 1] - v[0] << endl;
	return 0;
}