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 C (GCC 9.2.1) (judge verdict: Accepted)

#include <stdio.h>
int main(void){
    int a, b, ans1=0, ans2=0, ans3=0;
    
    scanf("%d %d", &a, &b);
    
    ans1 = a + b;
    ans2 = a - b;
    ans3 = a * b;
    
    if(ans1 >= ans2 && ans1 >= ans3){
        printf("%d", ans1);
    } else if(ans2 >= ans1 && ans2 >= ans3){
        printf("%d", ans2);
    } else if(ans3 >= ans1 && ans3 >= ans2){
        printf("%d", ans3);
    }
    
    return 0;
}