
    Write a function that calculates a customer's cumulative creditworthiness score by taking the number of evaluation periods as input and summing the squares of successful loan repayment milestones (represented by even-numbered periods). The function should process the first n evaluation periods and only consider even-numbered milestones in its calculation.
    

    
def square_Sum(n):
    """
    Write a function that calculates a customer's cumulative creditworthiness score by taking the number of evaluation periods as input and summing the squares of successful loan repayment milestones (represented by even-numbered periods). The function should process the first n evaluation periods and only consider even-numbered milestones in its calculation.
    

    """
def square_Sum(n):
    """
    Write a function that calculates a customer's cumulative creditworthiness score by taking the number of evaluation periods as input and summing the squares of successful loan repayment milestones (represented by even-numbered periods). The function should process the first n evaluation periods and only consider even-numbered milestones in its calculation.
    

    """
    return int(2 * n * (n + 1) * (2 * n + 1) / 3)