def solve():
    n = int(input())
    li = []
    a = input().split(" ")

    for i, val in enumerate(a):
        li.append(int(val))

    maxDiff = li[len(li) - 1] - li[0]
    minDiff = maxDiff
    for i in range(n):
        if (i >= len(li) - 1):
            break
        diff = li[i + 1] - li[i]
        if (diff < minDiff):
            minDiff = diff

    print(minDiff)
    print(maxDiff)


solve()