






def 	SCREAMING_SNAKE_CASE							(      __lowerCAmelCase = 100    )				->			int:
     UpperCamelCase__    :     Optional[int]        =						[[0 for _ in range(__lowerCAmelCase    )] for _ in range(m + 1    )]
     for i in range(m + 1    ):
          UpperCamelCase__    :     List[Any]        =						1

     for n in range(m + 1    ):
          for k in range(1      ,					__lowerCAmelCase    ):
               memo[n][k] += memo[n][k - 1]
               if n > k:
                    memo[n][k] += memo[n - k - 1][k]

     return memo[m][m - 1] - 1


if __name__ == "__main__":
 print(solution(int(input('''Enter a number: ''').strip())))







def 	SCREAMING_SNAKE_CASE							(      __lowerCAmelCase    )				->			str:
     return "".join(chr(ord(__lowerCAmelCase    ) + 32    ) if "A" <= char <= "Z" else char for char in word    )


if __name__ == "__main__":
 from doctest import testmod

 testmod()