n = int(input())
point = input().split()
d_max = int(point[1]) - int(point[0])
d_min = int(point[1]) - int(point[0])
# about max
for i in range(n - 2):
    if int(point[i + 2]) - int(point[i + 1]) > d_max:
        d_max = int(point[i + 2]) - int(point[i + 1])
# about min
for j in range(n - 2):
    if int(point[j + 2]) - int(point[j + 1]) < d_min:
        d_min = int(point[j + 2]) - int(point[j + 1])
print(d_min)
print(d_max)