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  1. # your code goes here
  2. def f(s):
  3.     if (s == 1):
  4.         return 1
  5.     elif (s == 2):
  6.         return 1 
  7.     elif (s == 3):
  8.         return 1
  9.     else:
  10.         return f(s - 2) + f(s - 3)
  11.  
  12. n = int(input())
  13. print(f(n))
Success #stdin #stdout 2.93s 9332KB
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https://ideone.com/wwdo8k
language:
Python 3 (python  3.9.5)
created:
3 years ago
visibility:
public

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