

import os






def        SCREAMING_SNAKE_CASE__	(  lowerCamelCase__ = "input.txt"      )  ->					Tuple:




	with open(os.path.join(os.path.dirname(_a      )     ,			_a      )      ) as input_file:
		__lowerCamelCase    :    Dict 	=			[
		    [int(_a      ) for element in line.split(','      )]
		    for line in input_file.readlines()
		]

	__lowerCamelCase    :    Any 	=			len(_a      )
	__lowerCamelCase    :    Tuple 	=			len(matrix[0]      )

	__lowerCamelCase    :    Optional[int] 	=			[[-1 for _ in range(_a      )] for _ in range(_a      )]
	for i in range(_a      ):
		__lowerCamelCase    :    Optional[Any] 	=			matrix[i][0]

	for j in range(1     ,			_a      ):
		for i in range(_a      ):
			__lowerCamelCase    :    str 	=			minimal_path_sums[i][j - 1] + matrix[i][j]

		for i in range(1     ,			_a      ):
			__lowerCamelCase    :    Optional[int] 	=			min(
			    minimal_path_sums[i][j]     ,			minimal_path_sums[i - 1][j] + matrix[i][j]      )

		for i in range(rows - 2     ,			-1     ,			-1      ):
			__lowerCamelCase    :    Union[str, Any] 	=			min(
			    minimal_path_sums[i][j]     ,			minimal_path_sums[i + 1][j] + matrix[i][j]      )

	return min(minimal_path_sums_row[-1] for minimal_path_sums_row in minimal_path_sums      )


if __name__ == "__main__":
		print(F"""{solution() = }""")







from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available, is_vision_available


a		={
    """configuration_pix2struct""": [
        """PIX2STRUCT_PRETRAINED_CONFIG_ARCHIVE_MAP""",
        """Pix2StructConfig""",
        """Pix2StructTextConfig""",
        """Pix2StructVisionConfig""",
    ],
    """processing_pix2struct""": ["""Pix2StructProcessor"""],
}

try:
					if not is_vision_available():
										raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
					pass
else:
					a		=["""Pix2StructImageProcessor"""]


try:
					if not is_torch_available():
										raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
					pass
else:
					a		=[
					    """PIX2STRUCT_PRETRAINED_MODEL_ARCHIVE_LIST""",
					    """Pix2StructPreTrainedModel""",
					    """Pix2StructForConditionalGeneration""",
					    """Pix2StructVisionModel""",
					    """Pix2StructTextModel""",
					]

if TYPE_CHECKING:
					from .configuration_pixastruct import (
					    PIX2STRUCT_PRETRAINED_CONFIG_ARCHIVE_MAP,
					    PixaStructConfig,
					    PixaStructTextConfig,
					    PixaStructVisionConfig,
					)
					from .processing_pixastruct import PixaStructProcessor

					try:
										if not is_vision_available():
															raise OptionalDependencyNotAvailable()
					except OptionalDependencyNotAvailable:
										pass
					else:
										from .image_processing_pixastruct import PixaStructImageProcessor

					try:
										if not is_torch_available():
															raise OptionalDependencyNotAvailable()
					except OptionalDependencyNotAvailable:
										pass
					else:
										from .modeling_pixastruct import (
										    PIX2STRUCT_PRETRAINED_MODEL_ARCHIVE_LIST,
										    PixaStructForConditionalGeneration,
										    PixaStructPreTrainedModel,
										    PixaStructTextModel,
										    PixaStructVisionModel,
										)

else:
					import sys

					a		=_LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)




