old_contents: #!/usr/bin/python3.6
  """Jerod Gawne, 2016-09-21
  
  Arithmetic Operators
  
  https://www.hackerrank.com/challenges/python-arithmetic-operators/
  
  Editorial
   - We can solve this problem by using basic arithmetic operators like +, - and *.
  
  a = int(input())
  b = int(input())
  
  print(a + b)
  print(a - b)
  print(a * b)
  """
  
  
  def main():
      """
      Main-Logic
      """
      a, b = int(input()), int(input())
  
      print(f'{a + b} \n{a - b} \n{a * b}')
  
  
  if __name__ == '__main__':
      try:
          main()
      except Exception:
          import sys
          import traceback
  
          print(traceback.print_exception(*sys.exc_info()))
new_contents: #!/usr/bin/python3.6
  """Jerod Gawne, 2016-09-21
  
  Arithmetic Operators
  
  https://www.hackerrank.com/challenges/python-arithmetic-operators/
  
  Editorial
   - We can solve this problem by using basic arithmetic operators like +, - and *.
  
  a = int(input())
  b = int(input())
  
  print(a + b)
  print(a - b)
  print(a * b)
  """
  
  
  def main():
      """
      Main-Logic
      """
      a, b = int(input()), int(input())
  
      print((a + b), (a - b), (a * b), sep='\n')
  
  
  if __name__ == '__main__':
      try:
          main()
      except Exception:
          import sys
          import traceback
  
          print(traceback.print_exception(*sys.exc_info()))
subject: update print to remove string format