N = int(input())
A = [int(i) for i in input().split()]

max = A[N-1] - A[0]
min = 1000000000000
for i in range(len(A)-1):
    if(A[i+1] - A[i] < min):
        min = A[i+1] - A[i]

print(min)
print(max)