





import os



def 	A_       (  )		->				List[str]:
 with open(os.path.dirname(_lowerCAmelCase  ) + "/grid.txt"  ) as f:
  UpperCamelCase			:      int 			=     []  # noqa: E741
  for _ in range(20  ):
   l.append([int(_lowerCAmelCase  ) for x in f.readline().split()]  )

  UpperCamelCase			:      str 			=     0

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

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

        # diagonal 1
  for i in range(17  ):
   for j in range(17  ):
    UpperCamelCase			:      Union[str, Any] 			=     l[i][j] * l[i + 1][j + 1] * l[i + 2][j + 2] * l[i + 3][j + 3]
    if temp > maximum:
     UpperCamelCase			:      Optional[int] 			=     temp

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


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







from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_tf_available,
    is_torch_available,
)


__lowerCamelCase :  Union[str, Any]										=  {
    """configuration_vision_encoder_decoder""": ["""VisionEncoderDecoderConfig""", """VisionEncoderDecoderOnnxConfig"""]
}

try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    __lowerCamelCase :  Dict										=  ["""VisionEncoderDecoderModel"""]

try:
    if not is_tf_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    __lowerCamelCase :  List[str]										=  ["""TFVisionEncoderDecoderModel"""]

try:
    if not is_flax_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    __lowerCamelCase :  int										=  ["""FlaxVisionEncoderDecoderModel"""]

if TYPE_CHECKING:
    from .configuration_vision_encoder_decoder import VisionEncoderDecoderConfig, VisionEncoderDecoderOnnxConfig

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_vision_encoder_decoder import VisionEncoderDecoderModel

    try:
        if not is_tf_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_tf_vision_encoder_decoder import TFVisionEncoderDecoderModel

    try:
        if not is_flax_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_flax_vision_encoder_decoder import FlaxVisionEncoderDecoderModel

else:
    import sys

    __lowerCamelCase :  str										=  _LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)
