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: import sys
  
  
  def main(lines):
      # このコードは標準入力と標準出力を用いたサンプルコードです。
      # このコードは好きなように編集・削除してもらって構いません。
      # ---
      # This is a sample code to use stdin and stdout.
      # Edit and remove this code as you like.
  
      for i, v in enumerate(lines):
          print("line[{0}]: {1}".format(i, v))
  
  
  if __name__ == "__main__":
      lines = []
      for l in sys.stdin:
          lines.append([int(s) for s in l.rstrip("\r\n").split()])
  A = lines[0]
  B = lines[1]
  print(A * B)
  
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"}]