#include <iostream>
using namespace std;
int main(void){
    // Your code here!
    int n;
    int a1;
    int a2;
    cin>>n>>a1>>a2;
    int init = a1;
    int min=a2-a1;
    for(int i=0;i<n-2;i++){
        a1=a2;
        cin>>a2;
        if(min>a2-a1){
            min=a2-a1;
        }
    }
    cout<<min<<endl;
    cout<<a2-init<<endl;
}