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

Solution in C++14 (GCC 5.4.1) (judge verdict: Wrong Answer)

#include <iostream>

using namespace std ;

int main()
{

int x,y;
cin>>x>>y;
if((x+y)>(x-y) && (x+y)>(x*y))
    cout<<x+y;
else if((x-y)>(x+y) && (x-y)>(x*y))
     cout<<x-y;
else if((x*y)>(x+y) && (x*y)>(x-y))
     cout<<x*y;
     else cout<<0;
    return 0;
}