



def 			UpperCamelCase(  __UpperCamelCase							:		int = 1000 ):
		return sum(2 * a * ((a - 1) // 2) for a in range(3     ,n + 1 ) )


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













"""simple docstring"""
import warnings

from diffusers import StableDiffusionInpaintPipeline as StableDiffusionInpaintPipeline  # noqa F401


warnings.warn(
    '''The `inpainting.py` script is outdated. Please use directly `from diffusers import'''
    ''' StableDiffusionInpaintPipeline` instead.'''
)



