Problem:
Score : 100 points

Problem Statement

We have two integers: A and B.

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

Constraints

All values in input are integers.

-100 \leq A,\ B \leq 100

Input

Input is given from Standard Input in the following format:

A B

Output

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

Sample Input 1

-13 3

Sample Output 1

-10

The largest number among A + B = -10, A - B = -16, and A \times B = -39 is -10.

Sample Input 2

1 -33

Sample Output 2

34

The largest number among A + B = -32, A - B = 34, and A \times B = -33 is 34.

Sample Input 3

13 3

Sample Output 3

39

The largest number among A + B = 16, A - B = 10, and A \times B = 39 is 39.

Solution in Java8 (OpenJDK 1.8.0) (judge verdict: Accepted)

import java.util.Scanner;

public class Main { 

	public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
    	String[] numberAandB = sc.nextLine().split(" ");
    	int numberA = Integer.parseInt(numberAandB[0]);
    	int numberB = Integer.parseInt(numberAandB[1]);
    	int result = -100000;
    	
    	int plusAB = numberA + numberB;
    	int minusAB = numberA - numberB;
    	int multiAB = numberA*numberB;
    	if(result <= plusAB) {
    		result = plusAB;
    	}
    	if(result <= minusAB) {
    		result = minusAB;
    	}
    	if(result <= multiAB) {
    		result = multiAB;
    	}
    	System.out.println(result);
    	
    	
	}
}