





'''simple docstring'''

def lowerCamelCase						(     __lowerCamelCase :    int = 400_0000    )						->int:
    _SCREAMING_SNAKE_CASE									=			[0, 1]
    _SCREAMING_SNAKE_CASE									=			0
    while fib[i] <= n:
        fib.append(fib[i] + fib[i + 1]    )
        if fib[i + 2] > n:
            break
        i += 1
    _SCREAMING_SNAKE_CASE									=			0
    for j in range(len(__lowerCamelCase    ) - 1    ):
        if fib[j] % 2 == 0:
            total += fib[j]

    return total


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





import os




def  __magic_name__ (   )			->   str:
				__lowerCamelCase    					=	os.path.join(os.path.dirname(__lowerCAmelCase							)		,  '''num.txt'''							)
				with open(__lowerCAmelCase							) as file_hand:
								return str(sum(int(__lowerCAmelCase							) for line in file_hand							)							)[:10]


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



