output_description: Print the number of multiples of d among the integers between L and R
  (inclusive).
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      L R d
attempt: print(sum([int(i) % 2 for i in input().split()[::2]]))
  
problem_description: Statement
  
  How many multiples of d are there among the integers between L and R
  (inclusive)?
samples: [{"input": "5 10 2", "output": "3\n    \n\n  * Among the integers between 5 and 10, there are three multiples of 2: 6, 8, and 10.\n\n* * *"}, {"input": "6 20 7", "output": "2\n    \n\n  * Among the integers between 6 and 20, there are two multiples of 7: 7 and 14.\n\n* * *"}, {"input": "1 100 1", "output": "100"}]