


import os


def 		lowercase_  (     ):


			'''simple docstring'''







			with open(os.path.dirname(_lowerCAmelCase  ) + '''/grid.txt'''  ) as f:
						__lowercase 					=   []  # noqa: E741
						for _ in range(20  ):
									l.append([int(_lowerCAmelCase  ) for x in f.readline().split()]  )

						__lowercase 					=   0

						# right
						for i in range(20  ):
									for j in range(17  ):
												__lowercase 					=   l[i][j] * l[i][j + 1] * l[i][j + 2] * l[i][j + 3]
												if temp > maximum:
															__lowercase 					=   temp

															   # down
						for i in range(17  ):
									for j in range(20  ):
												__lowercase 					=   l[i][j] * l[i + 1][j] * l[i + 2][j] * l[i + 3][j]
												if temp > maximum:
															__lowercase 					=   temp

															   # diagonal 1
						for i in range(17  ):
									for j in range(17  ):
												__lowercase 					=   l[i][j] * l[i + 1][j + 1] * l[i + 2][j + 2] * l[i + 3][j + 3]
												if temp > maximum:
															__lowercase 					=   temp

															   # diagonal 2
						for i in range(17  ):
									for j in range(3       ,			20  ):
												__lowercase 					=   l[i][j] * l[i + 1][j - 1] * l[i + 2][j - 2] * l[i + 3][j - 3]
												if temp > maximum:
															__lowercase 					=   temp
						return maximum


if __name__ == "__main__":
	print(solution())






def 		lowercase_  (     _UpperCamelCase       ,			_UpperCamelCase  ):


			'''simple docstring'''







			return price * (1 + tax_rate)


if __name__ == "__main__":
	print(f'''{price_plus_tax(100, 0.25) = }''')
	print(f'''{price_plus_tax(125.50, 0.05) = }''')


