





import requests

try:
    from django.contrib.auth import authenticate, login
    from django.shortcuts import redirect, render
except ImportError:
    _UpperCamelCase   :							List[str]     =	print
def 				__UpperCamelCase  (		snake_case     )  ->						Tuple:


   '''simple docstring'''







   __A				 =       '''secretKey'''
   __A				 =       '''https://www.google.com/recaptcha/api/siteverify'''

   # when method is not POST, direct user to login page
   if request.method != "POST":
      return render(snake_case    ,	'''login.html'''     )

   # from the frontend, get username, password, and client_key
   __A				 =       request.POST.get('''username'''     )
   __A				 =       request.POST.get('''password'''     )
   __A				 =       request.POST.get('''g-recaptcha-response'''     )

   # post recaptcha response to Google's recaptcha api
   __A				 =       requests.post(snake_case    ,	data={'''secret''': secret_key, '''response''': client_key}     )
   # if the recaptcha api verified our keys
   if response.json().get('''success'''    ,	snake_case     ):
      # authenticate the user
      __A				 =       authenticate(snake_case    ,	username=snake_case    ,	password=snake_case     )
      if user_in_database:
         login(snake_case    ,	snake_case     )
         return redirect('''/your-webpage'''     )
   return render(snake_case    ,	'''login.html'''     )








def 				__UpperCamelCase  (		snake_case = 1_0_0     )  ->						int:


   '''simple docstring'''







   __A				 =       [[0 for _ in range(snake_case     )] for _ in range(m + 1     )]
   for i in range(m + 1     ):
      __A				 =       1

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

