'''
Task
The provided code stub reads two integers from STDIN, a and b. Add code to 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, b <= 10^10

Output Format
Print the three lines as explained above.
'''

a = int(input())
b = int(input())

print(a + b)
print(a - b)
print(a * b)
