
from math import pi, sqrt, tan





def 			lowerCamelCase_ (				lowerCamelCase__    ):
				if side_length < 0:
								raise ValueError("surface_area_cube() only accepts non-negative values"    )
				return 6 * side_length**2





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__	, lowerCamelCase__    ):
				if length < 0 or breadth < 0 or height < 0:
								raise ValueError("surface_area_cuboid() only accepts non-negative values"    )
				return 2 * ((length * breadth) + (breadth * height) + (length * height))





def 			lowerCamelCase_ (				lowerCamelCase__    ):
				if radius < 0:
								raise ValueError("surface_area_sphere() only accepts non-negative values"    )
				return 4 * pi * radius**2





def 			lowerCamelCase_ (				lowerCamelCase__    ):
				if radius < 0:
								raise ValueError("surface_area_hemisphere() only accepts non-negative values"    )
				return 3 * pi * radius**2





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__    ):
				if radius < 0 or height < 0:
								raise ValueError("surface_area_cone() only accepts non-negative values"    )
				return pi * radius * (radius + (height**2 + radius**2) ** 0.5)





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__	, lowerCamelCase__    ):
				if radius_a < 0 or radius_a < 0 or height < 0:
								raise ValueError(
								    "surface_area_conical_frustum() only accepts non-negative values"    )
				lowerCamelCase_						=			(height**2 + (radius_a - radius_a) ** 2) ** 0.5
				return pi * ((slant_height * (radius_a + radius_a)) + radius_a**2 + radius_a**2)





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__    ):
				if radius < 0 or height < 0:
								raise ValueError("surface_area_cylinder() only accepts non-negative values"    )
				return 2 * pi * radius * (height + radius)





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__    ):
				if torus_radius < 0 or tube_radius < 0:
								raise ValueError("surface_area_torus() only accepts non-negative values"    )
				if torus_radius < tube_radius:
								raise ValueError(
								    "surface_area_torus() does not support spindle or self intersecting tori"    )
				return 4 * pow(lowerCamelCase__	, 2    ) * torus_radius * tube_radius





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__    ):
				if length < 0 or width < 0:
								raise ValueError("area_rectangle() only accepts non-negative values"    )
				return length * width





def 			lowerCamelCase_ (				lowerCamelCase__    ):
				if side_length < 0:
								raise ValueError("area_square() only accepts non-negative values"    )
				return side_length**2





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__    ):
				if base < 0 or height < 0:
								raise ValueError("area_triangle() only accepts non-negative values"    )
				return (base * height) / 2





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__	, lowerCamelCase__    ):
				if sidea < 0 or sidea < 0 or sidea < 0:
								raise ValueError("area_triangle_three_sides() only accepts non-negative values"    )
				elif sidea + sidea < sidea or sidea + sidea < sidea or sidea + sidea < sidea:
								raise ValueError("Given three sides do not form a triangle"    )
				lowerCamelCase_						=			(sidea + sidea + sidea) / 2
				lowerCamelCase_						=			sqrt(
				    semi_perimeter
				    * (semi_perimeter - sidea)
				    * (semi_perimeter - sidea)
				    * (semi_perimeter - sidea)    )
				return area





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__    ):
				if base < 0 or height < 0:
								raise ValueError("area_parallelogram() only accepts non-negative values"    )
				return base * height





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__	, lowerCamelCase__    ):
				if basea < 0 or basea < 0 or height < 0:
								raise ValueError("area_trapezium() only accepts non-negative values"    )
				return 1 / 2 * (basea + basea) * height





def 			lowerCamelCase_ (				lowerCamelCase__    ):
				if radius < 0:
								raise ValueError("area_circle() only accepts non-negative values"    )
				return pi * radius**2





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__    ):
				if radius_x < 0 or radius_y < 0:
								raise ValueError("area_ellipse() only accepts non-negative values"    )
				return pi * radius_x * radius_y





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__    ):
				if diagonal_a < 0 or diagonal_a < 0:
								raise ValueError("area_rhombus() only accepts non-negative values"    )
				return 1 / 2 * diagonal_a * diagonal_a





def 			lowerCamelCase_ (				lowerCamelCase__	, lowerCamelCase__    ):
				if not isinstance(lowerCamelCase__	, lowerCamelCase__    ) or sides < 3:
								raise ValueError(
								    "area_reg_polygon() only accepts integers greater than or \
equal to three as number of sides"    )
				elif length < 0:
								raise ValueError(
								    "area_reg_polygon() only accepts non-negative values as \
length of a side"    )
				return (sides * length**2) / (4 * tan(pi / sides    ))
				return (sides * length**2) / (4 * tan(pi / sides    ))


if __name__ == "__main__":
			import doctest

			doctest.testmod(verbose=True)  # verbose so we can see methods missing tests

			print('''[DEMO] Areas of various geometric shapes: \n''')
			print(F"""Rectangle: {area_rectangle(1_0, 2_0) = }""")
			print(F"""Square: {area_square(1_0) = }""")
			print(F"""Triangle: {area_triangle(1_0, 1_0) = }""")
			print(F"""Triangle: {area_triangle_three_sides(5, 1_2, 1_3) = }""")
			print(F"""Parallelogram: {area_parallelogram(1_0, 2_0) = }""")
			print(F"""Rhombus: {area_rhombus(1_0, 2_0) = }""")
			print(F"""Trapezium: {area_trapezium(1_0, 2_0, 3_0) = }""")
			print(F"""Circle: {area_circle(2_0) = }""")
			print(F"""Ellipse: {area_ellipse(1_0, 2_0) = }""")
			print('''\nSurface Areas of various geometric shapes: \n''')
			print(F"""Cube: {surface_area_cube(2_0) = }""")
			print(F"""Cuboid: {surface_area_cuboid(1_0, 2_0, 3_0) = }""")
			print(F"""Sphere: {surface_area_sphere(2_0) = }""")
			print(F"""Hemisphere: {surface_area_hemisphere(2_0) = }""")
			print(F"""Cone: {surface_area_cone(1_0, 2_0) = }""")
			print(F"""Conical Frustum: {surface_area_conical_frustum(1_0, 2_0, 3_0) = }""")
			print(F"""Cylinder: {surface_area_cylinder(1_0, 2_0) = }""")
			print(F"""Torus: {surface_area_torus(2_0, 1_0) = }""")
			print(F"""Equilateral Triangle: {area_reg_polygon(3, 1_0) = }""")
			print(F"""Square: {area_reg_polygon(4, 1_0) = }""")
			print(F"""Reqular Pentagon: {area_reg_polygon(5, 1_0) = }""")










"""simple docstring"""





import os







def      lowerCamelCase__       (							)      ->				List[Any]:
  with open(os.path.dirname(_lowerCamelCase ) + '/grid.txt' ) as f:
    lowerCamelCase_         =						[]  # noqa: E741
    for _ in range(20 ):
      l.append([int(_lowerCamelCase ) for x in f.readline().split()] )

    lowerCamelCase_         =						0

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

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

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

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


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




