#include <bits/stdc++.h>

using namespace std;
using ll = long long;

void init();
void solve();

#define rep(i, a) for (int i = 0; i < (int) (a); i++)
#define reps(i, a, b) for (int i = (int) (a); i < (int) (b); i++)
#define rrep(i, a) for (int i = (int) a-1; i >= 0; i--)
#define rreps(i, a, b) for (int i = (int) (a)-1; i >= (int) (b); i--)
#define MP(a, b) make_pair((a), (b))
#define PB(a) push_back((a))
#define all(v) (v).begin(), (v).end()
#define PRINT(f) if((f)){cout << (TRUE__) << endl;}else{cout << FALSE__ << endl;}
#define TRUE__ "Yes"
#define FALSE__ "No"
#define PERM(v) next_permutation(all(v))
#define UNIQUE(v) sort(all(v));(v).erase(unique(all(v)), v.end())
#define CIN(type, x) type x;cin >> x

#ifdef LOCAL
#define lcout(a) cout << a;
#define lcoutln(a) cout << a << endl;
#define lcerr(a) cerr << a;
#define lcerrln(a) cerr << a << endl;
#else
#define lcout(a) 
#define lcoutln(a) 
#define lcerr(a) 
#define lcerrln(a) 
#endif
#define MOD 1000000007

int N;
int a[10000];

signed main()
{
	init();
	solve();
}

void init()
{
	cin >> N;
	rep(i, N) cin >> a[i];
}

void solve()
{
	int mi = 1e9;
	reps(i, 1, N) {
		mi = min(a[i] - a[i-1], mi);
	}
	cout << mi << endl << a[N-1] - a[0] << endl;
}