"""
Task 
	Read two integers from STDIN and print three lines where:

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

Input Format
	The first line contains the first integer, a. The second line contains the second integer, b.

Constraints
	1 <= a <= 10^10
	1 <= b <= 10^10
 
Output Format
	Print the three lines as explained above.
"""
if __name__ == '__main__':
    a = int(input('a'))
    b = int(input('b'))
    print(a + b)
    print(a - b)
    print(a * b)