output_description: Print the area and perimeter of the rectangle in a line. The two integers
  should be separated by a single space.
input_description: The length a and breadth b of the rectangle are given in a line separated by a
  single space.
attempt: x1 = input()
  x2 = input()
  x1 = int(x1)
  x2 = int(x2)
  x3 = x1 + x2
  print(x3)
  
problem_description: Rectangle
  
  Write a program which calculates the area and perimeter of a given rectangle.
samples: [{"input": "3 5", "output": "15 16"}]