def getlist():
	return list(map(int, input().split()))

N = int(input())
a = getlist()
m = float("inf")
for i in range(N - 1):
	if a[i + 1] - a[i] < m:
		m = a[i + 1] - a[i]

print(m)
print(a[-1] - a[0])