N = int(input())
points = list({int(x) for x in input().split()})
min_distance = -1
if len(points) < N:
    min_distance = 0
minp1 = points[0]
minp2 = points[1]
maxp = points[0]
for i in points[1:]:
    if i < minp1:
        minp2 = minp1
        minp1 = i
    maxp = max(i,maxp)
if min_distance:
    min_distance = minp2 - minp1
max_distance = maxp - minp1
print(min_distance)
print(max_distance)