Number Beggars

sum_list = input().split(", ")
num_of_beggars = int(input())
final_list = []
counter_of_index = 0
tem_sum = 0
sum_list_as_digits = []

for index in range (len(sum_list)):
    sum_list_as_digits.append(int(sum_list[index]))

while counter_of_index < num_of_beggars:
    for element in range(counter_of_index, len(sum_list_as_digits), num_of_beggars):
        tem_sum += sum_list_as_digits[element]
    final_list.append(tem_sum)
    tem_sum = 0
    counter_of_index += 1

print(final_list)