N = int(input())
a = list(map(int, input().split()))

d = a[N - 1] - a[0]
for i in range(0, N - 1):
    if d > a[i + 1] - a[i]:
        d = a[i + 1] - a[i]

print(d)
print(a[N - 1] - a[0])