Score : 100 points
We have two integers: A and B.
Print the largest number among A + B, A - B, and A \times B.
Input is given from Standard Input in the following format:
A B
Print the largest number among A + B, A - B, and A \times B.
-13 3
-10
The largest number among A + B = -10, A - B = -16, and A \times B = -39 is -10.
1 -33
34
The largest number among A + B = -32, A - B = 34, and A \times B = -33 is 34.
13 3
39
The largest number among A + B = 16, A - B = 10, and A \times B = 39 is 39.