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 (GCC 9.2.1) (judge verdict: Wrong Answer)

#include <stdio.h>
int main()
{
	int A, B;
	scanf("%d%d",&A,&B);

	if ((A + B)>(A - B) && (A + B)>(A * B))
		printf("%d\n", (A+B));	
else if ((A - B)>(A + B) && (A - B)>(A*B))
		printf("%d\n", (A-B));
	else
		printf("%d\n", (A*B));
}