#include <stdio.h>

int main(void){
	int n;
	scanf("%d",&n);
	int distance[n];
	for(int i = 0 ; i < n;i++ ){
		scanf("%d",&distance[i]);
	}
	int max = distance[n-1] - distance[0];
	int min = distance[1] - distance[0]; 
	for(int i = 1 ; i < n-1 ; i ++){
		if(distance[i+1] - distance[i] < min){
			min = distance[i+1] - distance[i];
		}
	}
	printf("%d\n%d\n",min,max);
}