PROGRAMMING:Multi branch representation data parity determination

Keyboard input two non-zero integers a and B. if both a and B are even numbers, the sum of the two numbers will be output. If both a and B are odd numbers, the difference between the two numbers will be output. If a is odd number, B is even number, the product of two numbers will be output. If a is even number, B is odd number, the result of a / B will be output
###Input format:
Enter two non-zero integers separated by commas
###Output format:
If both a and B are even numbers, output: a + B = sum of two numbers;
If both a and B are odd numbers, output: A-B = the difference between the two numbers;
If a is odd and B is even, output: a * b = product of two numbers;
If a is even and B is odd output: A / b = quotient of two numbers.
If the input data is 0, there is no output.
###Input example:
Here is a set of inputs. For example:
```in
18,20
```
###Output example:
The corresponding output is given here. For example:
```out
18+20=38
```







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