output_description: Print the cube of x in a line.
input_description: An integer x is given in a line.
attempt: a = input("x")
  b = int(a)
  c = b**3
  print(c)
  
problem_description: X Cubic
  
  Write a program which calculates the cube of a given integer x.
samples: [{"input": "2", "output": "8"}, {"input": "3", "output": "27"}]