Multiply Evens by Odds

import math

n = abs(int(input()))
def get_sum_of_odd_digits(n):
    sum_odd_digits = 0
    while n > 0:
        last_digit = n % 10
        if last_digit %2 != 0:
            sum_odd_digits += last_digit
        n //= 10
    return sum_odd_digits

def get_sum_of_even_digits(n):
    sum_odd_digits = 0
    while n > 0:
        last_digit = n % 10
        if last_digit %2 == 0:
            sum_odd_digits += last_digit
        n //= 10
    return sum_odd_digits

def miltipal_even_odd_digit(n):
    sum_odd = get_sum_of_odd_digits(n)
    sum_even = get_sum_of_even_digits(n)
    result = sum_odd * sum_even
    return result

print(f"{miltipal_even_odd_digit(n)}")