import sys

def mainProc(lst):

    max =  lst[len(lst)-1] - lst[0]
    min = sys.maxsize

    for i in range(len(lst)-1):
        if lst[i+1] - lst[i] < min :
            min = lst[i+1] - lst[i]
    print(min)
    print(max)

if __name__ == '__main__':

    ct = input()
    lst = [int(i) for i in input().split()]
    mainProc(lst)