code = """
numbers = [2, 3, 7, 4, 8]

def is_even(number):
    return number % 2 == 0

even_numbers = [number for number in numbers if is_even(number)]

squares = [number**2 for number in even_numbers]

result = sum(squares)

print("Original data:", numbers)
print("Even numbers:", even_numbers)
print("Square values:", squares)
print("Sum of squares:", result)
"""

exec(code)