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: arg = input().split()
  a = arg[0]
  b = arg[1]
  o = str(int(a) * int(b))
  o2 = str(2 * (int(a) * int(b)))
  print(o + " " + o2)
  
problem_description: Rectangle
  
  Write a program which calculates the area and perimeter of a given rectangle.
samples: [{"input": "3 5", "output": "15 16"}]