output_description: Print the value A \times B as an integer.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      A B
attempt: s = input()
  a, b = s.split(" ")
  a = (int)(a)
  x, y = b.split(".")
  x = (int)(x)
  y = (int)(y)
  a1 = a * x
  a2 = a * y
  a2 = (int)(a2 / 100)
  print((a1 + a2), end=" ")
  
problem_description: Statement
  
  Compute A \times B.
samples: [{"input": "2 5", "output": "10\n    \n\nWe have 2 \\times 5 = 10.\n\n* * *"}, {"input": "100 100", "output": "10000"}]