Task
The provided code stub reads two integers from STDIN,  and . Add code to print three lines where:

1. The first line contains the sum of the two numbers.
2. The second line contains the difference of the two numbers (first - second).
3. The third line contains the product of the two numbers.

answer: 

if __name__ == '__main__':

    a = int(input())
    b = int(input())
    
    print(a + b)  # Sum of a and b
    print(a - b)  # Difference of a and b
    print(a * b)  # Product of a and b