output_description: Print the answer as an integer.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      A B
attempt: import math
  
  S = input().split()
  buf = -2
  for n, i in enumerate(S):
      if i == "0":
          buf = 0
  if buf != 0:
      for n, i in enumerate(S):
          if n == 0:
              buf = float(i)
          else:
              buf = buf * float(i)
          buf = math.floor(buf * 10) / 10
  buf = math.floor(buf)
  print(buf)
  
problem_description: Statement
  
  Compute A \times B, truncate its fractional part, and print the result as an
  integer.
samples: [{"input": "198 1.10", "output": "217\n    \n\nWe have 198 \\times 1.10 = 217.8. After truncating the fractional part, we have\nthe answer: 217.\n\n* * *"}, {"input": "1 0.01", "output": "0\n    \n\n* * *"}, {"input": "1000000000000000 9.99", "output": "9990000000000000"}]