#include "bits/stdc++.h"
using namespace std;
typedef long long ll;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
int gcd(int a,int b){return b?gcd(b,a%b):a;}

int a[1000];

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    int n,s=1000000;
    cin >> n;
    rep(i,n) {
        cin >> a[i];
        if (i>=1) s=a[i]-a[i-1]<s?a[i]-a[i-1]:s;
    }
    cout << s << endl;
    cout << a[n-1]-a[0] << endl;
    return 0;
}