





from math import ceil



def 		A_				(     _lowerCAmelCase = 1001     )						-> int:
 UpperCamelCase	:					str       	=   1

 for i in range(1							,   int(ceil(n / 2.0     )     )     ):
  UpperCamelCase	:					List[str]       	=   2 * i + 1
  UpperCamelCase	:					Tuple       	=   2 * i
  UpperCamelCase	:					List[Any]       	=   total + 4 * odd**2 - 6 * even

 return total


if __name__ == "__main__":
    import sys

    if len(sys.argv) == 1:
        print(solution())
    else:
        try:
            __lowerCamelCase       :     List[str]   =     int(sys.argv[1])
            print(solution(n))
        except ValueError:
            print("""Invalid entry - please enter a number""")







from typing import TYPE_CHECKING

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


__lowerCamelCase       :     Optional[int]   =     {"""configuration_mmbt""": ["""MMBTConfig"""]}

try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    __lowerCamelCase       :     List[Any]   =     ["""MMBTForClassification""", """MMBTModel""", """ModalEmbeddings"""]


if TYPE_CHECKING:
    from .configuration_mmbt import MMBTConfig

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_mmbt import MMBTForClassification, MMBTModel, ModalEmbeddings

else:
    import sys

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