Problem:


Score : 100 points

Problem Statement

You are given two integers A and B.
Find the largest value among A+B, A-B and A \times B.

Constraints

-1000 \leq A,B \leq 1000

All values in input are integers.

Input

Input is given from Standard Input in the following format:

A B

Output

Print the largest value among A+B, A-B and A \times B.

Sample Input 1

3 1

Sample Output 1

4

3+1=4, 3-1=2 and 3 \times 1=3. The largest among them is 4.

Sample Input 2

4 -2

Sample Output 2

6

The largest is 4 - (-2) = 6.

Sample Input 3

0 0

Sample Output 3

0



Sample input:
3 1


Sample output:
4

Submission status: Runtime Error

Solution code:
# coding: utf-8
N = int(input())

P = []
max = -9999999999999
count = 0
a = int(input())
b = a
max = a
P.append(a)
for i in range(0,N-1):
    a = int(input())
    if a < b:
        P.
        count += 1
        b = a
    if a > max:
        max = a
        count += 1


print(count)

Submission status: Runtime Error

Solution code:
A, B = map(int, raw_input().split())

array = [A + B, A - B, A * B]
max = array[0]
if max < array[1]:
    max = array[1]
if max < array[2]:
    max = array[2]

print(max)

Submission status: Runtime Error

Solution code:
A,B=input().split()
print(max([A+B,A-B,A*B]))

Submission status: Runtime Error

Solution code:
a,b = map(int,input().split())
print(max(a-b,a+b,a*B))