#include<stdio.h>

int main(void){
	
	int n, a, a0;
	int i;
	int amin = 200001, amax = 0;

	scanf("%d", &n);
	scanf("%d", &a0);
	amax = a0;
	for(i = 1;i < n;i++){
		scanf("%d", &a);
		if(a - a0 < amin)amin = a - a0;
		a0 = a;
	}
	amax = a - amax;
	printf("%d\n%d\n", amin, amax);

	return 0;
}