num = int(input())
first = 1
k = 0
mxm = 0
MaxHeight = 0
MinHeight = 0
while num != 0:
    num1 = int(input())
    k+=1
    if num1 > num and first == 1:
        first = 0
        MinHeight = num
        MaxHeight = num1
    elif num1 > num and first == 0:
        MaxHeight = num1
    elif num1 <= num:
        first = 1
    if MaxHeight - MinHeight > mxm:
        mxm = MaxHeight - MinHeight
    num = num1
if k == 0:
    print(0)
else:
    print(k, mxm)

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MTQ0CjE3CjI3CjMKNwo5CjExCjEwCjA=

144
17
27
3
7
9
11
10
0