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  1. # your code goes here
  2.  
  3. n = input()
  4.  
  5. antecessor = int(n) -1
  6. sucessor = int(n) + 1
  7.  
  8. print(antecessor)
  9. print(sucessor)
Success #stdin #stdout 0.02s 9216KB
stdin
3
stdout
2
4