


def 			_a      (    __UpperCamelCase = 1_0_0			):
     a_     :  Tuple				      =     [[0 for _ in range(__UpperCamelCase			)] for _ in range(m + 1			)]
     for i in range(m + 1			):
          a_     :  Union[str, Any]				      =     1

     for n in range(m + 1			):
          for k in range(1	,	__UpperCamelCase			):
               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())))










from math import pi




def   _SCREAMING_SNAKE_CASE      (	snake_case_		:						float						):
     return degree / (180 / pi)


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

    testmod()