output_description: Print the answer.
  
  * * *
input_description: Input is given from Standard Input in the following format:
  
      
      
      N i
attempt: a,b=map(int,input().split())
  print(a+1-b)
  //Source code should be longer than 50 charactersSource code should be longer than 50 charactersSource code should be longer than 50 charactersSource code should be longer than 50 charactersSource code should be longer than 50 charactersSource code should be longer than 50 charactersSource code should be longer than 50 charactersSource code should be longer than 50 charactersSource code should be longer than 50 characters
problem_description: Statement
  
  There is an N-car train.
  
  You are given an integer i. Find the value of j such that the following
  statement is true: "the i-th car from the front of the train is the j-th car
  from the back."
samples: [{"input": "4 2", "output": "3\n    \n\nThe second car from the front of a 4-car train is the third car from the back.\n\n* * *"}, {"input": "1 1", "output": "1\n    \n\n* * *"}, {"input": "15 11", "output": "5"}]