



class  lowerCamelCase__    :




		'''simple docstring'''



		def __init__(self	,__lowerCamelCase				)  ->    List[str]:

						"""simple docstring"""






						lowerCAmelCase__  :       Dict				=  n
						lowerCAmelCase__  :       Any				=  [None] * self.n
						lowerCAmelCase__  :       Any				=  0  # index of the first element
						lowerCAmelCase__  :       Tuple				=  0
						lowerCAmelCase__  :       Optional[Any]				=  0



		def __len__(self				)  ->    int:

						"""simple docstring"""






						return self.size



		def 	lowerCAmelCase__   (self				)  ->    bool:

						"""simple docstring"""






						return self.size == 0



		def 	lowerCAmelCase__   (self				)  ->    List[Any]:

						"""simple docstring"""






						return False if self.is_empty() else self.array[self.front]



		def 	lowerCAmelCase__   (self	,__lowerCamelCase				)  ->    str:

						"""simple docstring"""






						if self.size >= self.n:
										raise Exception('''QUEUE IS FULL'''				)

						lowerCAmelCase__  :       Optional[int]				=  data
						lowerCAmelCase__  :       Tuple				=  (self.rear + 1) % self.n
						self.size += 1
						return self



		def 	lowerCAmelCase__   (self				)  ->    List[str]:

						"""simple docstring"""






						if self.size == 0:
										raise Exception('''UNDERFLOW'''				)

						lowerCAmelCase__  :       Any				=  self.array[self.front]
						lowerCAmelCase__  :       List[str]				=  None
						lowerCAmelCase__  :       Dict				=  (self.front + 1) % self.n
						self.size -= 1
						return temp






def 			lowerCAmelCase__	(					lowerCamelCase_	:	Any ,lowerCamelCase_	:	Optional[Any]):





				'''simple docstring'''

				lowerCAmelCase__  :       str				=  [0 for i in range(r + 1)]
				# nc0 = 1
				lowerCAmelCase__  :       Tuple				=  1
				for i in range(1 ,n + 1):
								# to compute current row from previous row.
								lowerCAmelCase__  :       Optional[int]				=  min(lowerCamelCase_ ,lowerCamelCase_)
								while j > 0:
												c[j] += c[j - 1]
												j -= 1
				return c[r]

print(binomial_coefficient(n=1_0, r=5))

