Task
Read two integers from STDIN and 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.
Input Format
The first line contains the first integer, . The second line contains the second integer, .
Constraints

Output Format
Print the three lines as explained above.
Python Arithmetic operators problem solution | HackerRank

Problem solution in python 2 programming language.

a = int(raw_input())
b = int(raw_input())

print a + b
print a - b
print a * b

Problem solution in python 3 programming language.

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

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