'''simple docstring'''




import sys




def 							lowerCamelCase			(   UpperCAmelCase__ :      int				)    ->   Optional[int]:
							lowercase_      :    Tuple       		= len(UpperCAmelCase__				)
							lowercase_      :    Any       		= [[0 for x in range(UpperCAmelCase__				)] for x in range(UpperCAmelCase__				)]
							lowercase_      :    List[str]       		= [[0 for x in range(UpperCAmelCase__				)] for x in range(UpperCAmelCase__				)]

							for chain_length in range(2   ,   UpperCAmelCase__				):
														for a in range(1   ,   n - chain_length + 1				):
																					lowercase_      :    Optional[int]       		= a + chain_length - 1

																					lowercase_      :    List[str]       		= sys.maxsize
																					for c in range(UpperCAmelCase__   ,   UpperCAmelCase__				):
																												lowercase_      :    List[str]       		= (
																												    matrix[a][c] + matrix[c + 1][b] + array[a - 1] * array[c] * array[b]
																												)
																												if cost < matrix[a][b]:
																																			lowercase_      :    Optional[Any]       		= cost
																																			lowercase_      :    str       		= c
							return matrix, sol




def 							lowerCamelCase			(   UpperCAmelCase__ :      Optional[Any]   ,   UpperCAmelCase__ :      Any   ,   UpperCAmelCase__ :      Dict				)    ->   str:
							if i == j:
														print("""A""" + str(UpperCAmelCase__				)   ,   end=""" """				)
							else:
														print("""("""   ,   end=""" """				)
														print_optiomal_solution(UpperCAmelCase__   ,   UpperCAmelCase__   ,   optimal_solution[i][j]				)
														print_optiomal_solution(UpperCAmelCase__   ,   optimal_solution[i][j] + 1   ,   UpperCAmelCase__				)
														print(""")"""   ,   end=""" """				)




def 							lowerCamelCase			(   )    ->   Union[str, Any]:
							lowercase_      :    int       		= [30, 35, 15, 5, 10, 20, 25]
							lowercase_      :    Union[str, Any]       		= len(UpperCAmelCase__				)
							# Size of matrix created from above array will be
							# 30*35 35*15 15*5 5*10 10*20 20*25
							lowercase_		,		lowercase_      :    str       		= matrix_chain_order(UpperCAmelCase__				)

							print("""No. of Operation required: """ + str(matrix[1][n - 1]				)				)
							print_optiomal_solution(UpperCAmelCase__   ,   1   ,   n - 1				)


if __name__ == "__main__":
						main()






'''simple docstring'''




_lowercase		:				int	       =		"ABCDEFGHIJKLMNOPQRSTUVWXYZ"




def 							lowerCamelCase			(   )    ->   None:
							lowercase_      :    List[Any]       		= input("""Enter message: """				)
							lowercase_      :    str       		= input("""Enter key [alphanumeric]: """				)
							lowercase_      :    List[Any]       		= input("""Encrypt/Decrypt [e/d]: """				)

							if mode.lower().startswith("""e"""				):
														lowercase_      :    List[str]       		= """encrypt"""
														lowercase_      :    Optional[int]       		= encrypt_message(UpperCAmelCase__   ,   UpperCAmelCase__				)
							elif mode.lower().startswith("""d"""				):
														lowercase_      :    Any       		= """decrypt"""
														lowercase_      :    Optional[Any]       		= decrypt_message(UpperCAmelCase__   ,   UpperCAmelCase__				)

							print(F'''\n{mode.title()}ed message:'''				)
							print(UpperCAmelCase__				)




def 							lowerCamelCase			(   UpperCAmelCase__ :      str   ,   UpperCAmelCase__ :      str				)    ->   str:
							return translate_message(UpperCAmelCase__   ,   UpperCAmelCase__   ,   """encrypt"""				)




def 							lowerCamelCase			(   UpperCAmelCase__ :      str   ,   UpperCAmelCase__ :      str				)    ->   str:
							return translate_message(UpperCAmelCase__   ,   UpperCAmelCase__   ,   """decrypt"""				)




def 							lowerCamelCase			(   UpperCAmelCase__ :      str   ,   UpperCAmelCase__ :      str   ,   UpperCAmelCase__ :      str				)    ->   str:
							lowercase_      :    Union[str, Any]       		= []
							lowercase_      :    List[Any]       		= 0
							lowercase_      :    str       		= key.upper()

							for symbol in message:
														lowercase_      :    Tuple       		= LETTERS.find(symbol.upper()				)
														if num != -1:
																					if mode == "encrypt":
																												num += LETTERS.find(key[key_index]				)
																					elif mode == "decrypt":
																												num -= LETTERS.find(key[key_index]				)

																					num %= len(UpperCAmelCase__				)

																					if symbol.isupper():
																												translated.append(LETTERS[num]				)
																					elif symbol.islower():
																												translated.append(LETTERS[num].lower()				)

																					key_index += 1
																					if key_index == len(UpperCAmelCase__				):
																												lowercase_      :    Any       		= 0
														else:
																					translated.append(UpperCAmelCase__				)
							return "".join(UpperCAmelCase__				)


if __name__ == "__main__":
						main()





