#include <iostream>
using namespace std;
int main(void){
    // Your code here!
    int N;
    scanf("%d",&N);
    int a[N];
    for (int i=0;i<N;i++){
        scanf("%d",&a[i]);
    }
    int min=10000000000;
    for (int i=1;i<N;i++){
        if(a[i]-a[i-1]<min) min=a[i]-a[i-1];
    }
    printf("%d\n",min);
    printf("%d\n",a[N-1]-a[0]);
    return 0;
}