output_description: Print the answer.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      N K
attempt: A = list(map(int, input().split()))
  print(A[0] - A[1] + 1)
  
problem_description: Statement
  
  Snuke has N integers: 1,2,\ldots,N. He will choose K of them and give those to
  Takahashi.
  
  How many ways are there to choose K consecutive integers?
samples: [{"input": "3 2", "output": "2\n    \n\nThere are two ways to choose two consecutive integers: (1,2) and (2,3).\n\n* * *"}, {"input": "13 3", "output": "11"}]