#include<bits/stdc++.h>
#define rep(i,a,b) for(int i=int(a);i<int(b);++i)
using namespace std;
typedef long long ll;
int INF = (1LL << 30) - 1;
int MOD = 1e9+7;
main(){
    int N;
    cin >> N;
    vector<int> V(N);

    rep(i,0,N)cin >> V[i];
    int mini = INF,maxi = V[N-1] - V[0];
    rep(i,0,N-1){
        mini = min(mini, V[i+1] - V[i]);
    }
    cout << mini << endl;
    cout << maxi << endl;
}