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: n = input().rstrip().split(" ")
  w = int(n[0])
  l = int(n[1])
  print(w * l, 2 * w + 2 * l)
  
problem_description: Rectangle
  
  Write a program which calculates the area and perimeter of a given rectangle.
samples: [{"input": "3 5", "output": "15 16"}]