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 5.4.1) (judge verdict: Accepted)

#include <stdio.h>

int main(){
    int bil1, bil2;
    int hasil1,hasil2,hasil3;
    scanf("%d %d",&bil1,&bil2);
    hasil1 = bil1 + bil2;
    hasil2 = bil1 - bil2;
    hasil3 = bil1 * bil2;
    if(hasil1>=hasil2&&hasil1>=hasil3){
        printf("%d",hasil1);
    }
    else if(hasil2>=hasil1&&hasil2>=hasil3){
        printf("%d",hasil2);
    }
    else{
        printf("%d",hasil3);
    }
    return 0;
}